9945728

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 21991200

約数和(自身を除く): 12045472

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 139, 172, 208, 278, 344, 416, 556, 559, 688, 832, 1112, 1118, 1376, 1664, 1807, 2224, 2236, 2752, 3614, 4448, 4472, 5504, 5977, 7228, 8896, 8944, 11954, 14456, 17792, 17888, 23908, 28912, 35776, 47816, 57824, 71552, 77701, 95632, 115648, 155402, 191264, 231296, 310804, 382528, 621608, 765056, 1243216, 2486432, 4972864, 9945728]

約数ペア:

[(1, 9945728), (2, 4972864), (4, 2486432), (8, 1243216), (13, 765056), (16, 621608), (26, 382528), (32, 310804), (43, 231296), (52, 191264), (64, 155402), (86, 115648), (104, 95632), (128, 77701), (139, 71552), (172, 57824), (208, 47816), (278, 35776), (344, 28912), (416, 23908), (556, 17888), (559, 17792), (688, 14456), (832, 11954), (1112, 8944), (1118, 8896), (1376, 7228), (1664, 5977), (1807, 5504), (2224, 4472), (2236, 4448), (2752, 3614)]