261206848

素因数分解:

$2^6\times 7^3\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 112

約数和(自身を含む): 616508800

約数和(自身を除く): 355301952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 73, 98, 112, 146, 163, 196, 224, 292, 326, 343, 392, 448, 511, 584, 652, 686, 784, 1022, 1141, 1168, 1304, 1372, 1568, 2044, 2282, 2336, 2608, 2744, 3136, 3577, 4088, 4564, 4672, 5216, 5488, 7154, 7987, 8176, 9128, 10432, 10976, 11899, 14308, 15974, 16352, 18256, 21952, 23798, 25039, 28616, 31948, 32704, 36512, 47596, 50078, 55909, 57232, 63896, 73024, 83293, 95192, 100156, 111818, 114464, 127792, 166586, 190384, 200312, 223636, 228928, 255584, 333172, 380768, 400624, 447272, 511168, 583051, 666344, 761536, 801248, 894544, 1166102, 1332688, 1602496, 1789088, 2332204, 2665376, 3578176, 4081357, 4664408, 5330752, 8162714, 9328816, 16325428, 18657632, 32650856, 37315264, 65301712, 130603424, 261206848]

約数ペア:

[(1, 261206848), (2, 130603424), (4, 65301712), (7, 37315264), (8, 32650856), (14, 18657632), (16, 16325428), (28, 9328816), (32, 8162714), (49, 5330752), (56, 4664408), (64, 4081357), (73, 3578176), (98, 2665376), (112, 2332204), (146, 1789088), (163, 1602496), (196, 1332688), (224, 1166102), (292, 894544), (326, 801248), (343, 761536), (392, 666344), (448, 583051), (511, 511168), (584, 447272), (652, 400624), (686, 380768), (784, 333172), (1022, 255584), (1141, 228928), (1168, 223636), (1304, 200312), (1372, 190384), (1568, 166586), (2044, 127792), (2282, 114464), (2336, 111818), (2608, 100156), (2744, 95192), (3136, 83293), (3577, 73024), (4088, 63896), (4564, 57232), (4672, 55909), (5216, 50078), (5488, 47596), (7154, 36512), (7987, 32704), (8176, 31948), (9128, 28616), (10432, 25039), (10976, 23798), (11899, 21952), (14308, 18256), (15974, 16352)]