90243712

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 195307560

約数和(自身を除く): 105063848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 193, 208, 281, 386, 416, 562, 772, 832, 1124, 1544, 1664, 2248, 2509, 3088, 3653, 4496, 5018, 6176, 7306, 8992, 10036, 12352, 14612, 17984, 20072, 24704, 29224, 35968, 40144, 54233, 58448, 80288, 108466, 116896, 160576, 216932, 233792, 321152, 433864, 467584, 705029, 867728, 1410058, 1735456, 2820116, 3470912, 5640232, 6941824, 11280464, 22560928, 45121856, 90243712]

約数ペア:

[(1, 90243712), (2, 45121856), (4, 22560928), (8, 11280464), (13, 6941824), (16, 5640232), (26, 3470912), (32, 2820116), (52, 1735456), (64, 1410058), (104, 867728), (128, 705029), (193, 467584), (208, 433864), (281, 321152), (386, 233792), (416, 216932), (562, 160576), (772, 116896), (832, 108466), (1124, 80288), (1544, 58448), (1664, 54233), (2248, 40144), (2509, 35968), (3088, 29224), (3653, 24704), (4496, 20072), (5018, 17984), (6176, 14612), (7306, 12352), (8992, 10036)]