64647232

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 84

約数和(自身を含む): 143164560

約数和(自身を除く): 78517328

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 139, 169, 172, 208, 278, 338, 344, 416, 556, 559, 676, 688, 832, 1112, 1118, 1352, 1376, 1807, 2224, 2236, 2704, 2752, 3614, 4448, 4472, 5408, 5977, 7228, 7267, 8896, 8944, 10816, 11954, 14456, 14534, 17888, 23491, 23908, 28912, 29068, 35776, 46982, 47816, 57824, 58136, 77701, 93964, 95632, 115648, 116272, 155402, 187928, 191264, 232544, 310804, 375856, 382528, 465088, 621608, 751712, 1010113, 1243216, 1503424, 2020226, 2486432, 4040452, 4972864, 8080904, 16161808, 32323616, 64647232]

約数ペア:

[(1, 64647232), (2, 32323616), (4, 16161808), (8, 8080904), (13, 4972864), (16, 4040452), (26, 2486432), (32, 2020226), (43, 1503424), (52, 1243216), (64, 1010113), (86, 751712), (104, 621608), (139, 465088), (169, 382528), (172, 375856), (208, 310804), (278, 232544), (338, 191264), (344, 187928), (416, 155402), (556, 116272), (559, 115648), (676, 95632), (688, 93964), (832, 77701), (1112, 58136), (1118, 57824), (1352, 47816), (1376, 46982), (1807, 35776), (2224, 29068), (2236, 28912), (2704, 23908), (2752, 23491), (3614, 17888), (4448, 14534), (4472, 14456), (5408, 11954), (5977, 10816), (7228, 8944), (7267, 8896)]