64994176

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 140943600

約数和(自身を除く): 75949424

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 139, 208, 278, 281, 416, 556, 562, 832, 1112, 1124, 1664, 1807, 2224, 2248, 3614, 3653, 4448, 4496, 7228, 7306, 8896, 8992, 14456, 14612, 17792, 17984, 28912, 29224, 35968, 39059, 57824, 58448, 78118, 115648, 116896, 156236, 231296, 233792, 312472, 467584, 507767, 624944, 1015534, 1249888, 2031068, 2499776, 4062136, 4999552, 8124272, 16248544, 32497088, 64994176]

約数ペア:

[(1, 64994176), (2, 32497088), (4, 16248544), (8, 8124272), (13, 4999552), (16, 4062136), (26, 2499776), (32, 2031068), (52, 1249888), (64, 1015534), (104, 624944), (128, 507767), (139, 467584), (208, 312472), (278, 233792), (281, 231296), (416, 156236), (556, 116896), (562, 115648), (832, 78118), (1112, 58448), (1124, 57824), (1664, 39059), (1807, 35968), (2224, 29224), (2248, 28912), (3614, 17984), (3653, 17792), (4448, 14612), (4496, 14456), (7228, 8992), (7306, 8896)]