78461248

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:671

約数の個数: 56

約数和(自身を含む): 163275264

約数和(自身を除く): 84814016

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 142, 248, 284, 496, 557, 568, 992, 1114, 1136, 1984, 2201, 2228, 2272, 4402, 4456, 4544, 8804, 8912, 17267, 17608, 17824, 34534, 35216, 35648, 39547, 69068, 70432, 79094, 138136, 140864, 158188, 276272, 316376, 552544, 632752, 1105088, 1225957, 1265504, 2451914, 2531008, 4903828, 9807656, 19615312, 39230624, 78461248]

約数ペア:

[(1, 78461248), (2, 39230624), (4, 19615312), (8, 9807656), (16, 4903828), (31, 2531008), (32, 2451914), (62, 1265504), (64, 1225957), (71, 1105088), (124, 632752), (142, 552544), (248, 316376), (284, 276272), (496, 158188), (557, 140864), (568, 138136), (992, 79094), (1114, 70432), (1136, 69068), (1984, 39547), (2201, 35648), (2228, 35216), (2272, 34534), (4402, 17824), (4456, 17608), (4544, 17267), (8804, 8912)]