71663872

素因数分解:

$2^8\times 7^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 108

約数和(自身を含む): 173014380

約数和(自身を除く): 101350508

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 56, 58, 64, 98, 112, 116, 128, 196, 197, 203, 224, 232, 256, 392, 394, 406, 448, 464, 784, 788, 812, 896, 928, 1379, 1421, 1568, 1576, 1624, 1792, 1856, 2758, 2842, 3136, 3152, 3248, 3712, 5516, 5684, 5713, 6272, 6304, 6496, 7424, 9653, 11032, 11368, 11426, 12544, 12608, 12992, 19306, 22064, 22736, 22852, 25216, 25984, 38612, 39991, 44128, 45472, 45704, 50432, 51968, 77224, 79982, 88256, 90944, 91408, 154448, 159964, 176512, 181888, 182816, 279937, 308896, 319928, 353024, 363776, 365632, 559874, 617792, 639856, 731264, 1119748, 1235584, 1279712, 1462528, 2239496, 2471168, 2559424, 4478992, 5118848, 8957984, 10237696, 17915968, 35831936, 71663872]

約数ペア:

[(1, 71663872), (2, 35831936), (4, 17915968), (7, 10237696), (8, 8957984), (14, 5118848), (16, 4478992), (28, 2559424), (29, 2471168), (32, 2239496), (49, 1462528), (56, 1279712), (58, 1235584), (64, 1119748), (98, 731264), (112, 639856), (116, 617792), (128, 559874), (196, 365632), (197, 363776), (203, 353024), (224, 319928), (232, 308896), (256, 279937), (392, 182816), (394, 181888), (406, 176512), (448, 159964), (464, 154448), (784, 91408), (788, 90944), (812, 88256), (896, 79982), (928, 77224), (1379, 51968), (1421, 50432), (1568, 45704), (1576, 45472), (1624, 44128), (1792, 39991), (1856, 38612), (2758, 25984), (2842, 25216), (3136, 22852), (3152, 22736), (3248, 22064), (3712, 19306), (5516, 12992), (5684, 12608), (5713, 12544), (6272, 11426), (6304, 11368), (6496, 11032), (7424, 9653)]