645020992

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 168

約数和(自身を含む): 1639913408

約数和(自身を除く): 994892416

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 73, 77, 88, 112, 121, 146, 154, 163, 176, 224, 242, 292, 308, 326, 352, 448, 484, 511, 584, 616, 652, 704, 803, 847, 968, 1022, 1141, 1168, 1232, 1304, 1606, 1694, 1793, 1936, 2044, 2282, 2336, 2464, 2608, 3212, 3388, 3586, 3872, 4088, 4564, 4672, 4928, 5216, 5621, 6424, 6776, 7172, 7744, 8176, 8833, 9128, 10432, 11242, 11899, 12551, 12848, 13552, 14344, 16352, 17666, 18256, 19723, 22484, 23798, 25102, 25696, 27104, 28688, 32704, 35332, 36512, 39446, 44968, 47596, 50204, 51392, 54208, 57376, 61831, 70664, 73024, 78892, 83293, 89936, 95192, 100408, 114752, 123662, 130889, 138061, 141328, 157784, 166586, 179872, 190384, 200816, 247324, 261778, 276122, 282656, 315568, 333172, 359744, 380768, 401632, 494648, 523556, 552244, 565312, 631136, 666344, 761536, 803264, 916223, 989296, 1047112, 1104488, 1262272, 1332688, 1439779, 1832446, 1978592, 2094224, 2208976, 2665376, 2879558, 3664892, 3957184, 4188448, 4417952, 5330752, 5759116, 7329784, 8376896, 8835904, 10078453, 11518232, 14659568, 20156906, 23036464, 29319136, 40313812, 46072928, 58638272, 80627624, 92145856, 161255248, 322510496, 645020992]

約数ペア:

[(1, 645020992), (2, 322510496), (4, 161255248), (7, 92145856), (8, 80627624), (11, 58638272), (14, 46072928), (16, 40313812), (22, 29319136), (28, 23036464), (32, 20156906), (44, 14659568), (56, 11518232), (64, 10078453), (73, 8835904), (77, 8376896), (88, 7329784), (112, 5759116), (121, 5330752), (146, 4417952), (154, 4188448), (163, 3957184), (176, 3664892), (224, 2879558), (242, 2665376), (292, 2208976), (308, 2094224), (326, 1978592), (352, 1832446), (448, 1439779), (484, 1332688), (511, 1262272), (584, 1104488), (616, 1047112), (652, 989296), (704, 916223), (803, 803264), (847, 761536), (968, 666344), (1022, 631136), (1141, 565312), (1168, 552244), (1232, 523556), (1304, 494648), (1606, 401632), (1694, 380768), (1793, 359744), (1936, 333172), (2044, 315568), (2282, 282656), (2336, 276122), (2464, 261778), (2608, 247324), (3212, 200816), (3388, 190384), (3586, 179872), (3872, 166586), (4088, 157784), (4564, 141328), (4672, 138061), (4928, 130889), (5216, 123662), (5621, 114752), (6424, 100408), (6776, 95192), (7172, 89936), (7744, 83293), (8176, 78892), (8833, 73024), (9128, 70664), (10432, 61831), (11242, 57376), (11899, 54208), (12551, 51392), (12848, 50204), (13552, 47596), (14344, 44968), (16352, 39446), (17666, 36512), (18256, 35332), (19723, 32704), (22484, 28688), (23798, 27104), (25102, 25696)]