1287471848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{156703}}^1$

素因数の和:156801

約数の個数: 32

約数和(自身を含む): 2632627200

約数和(自身を除く): 1345155352

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 4108, 8216, 156703, 313406, 626812, 1253624, 2037139, 4074278, 8148556, 12379537, 16297112, 24759074, 49518148, 99036296, 160933981, 321867962, 643735924, 1287471848]

約数ペア:

[(1, 1287471848), (2, 643735924), (4, 321867962), (8, 160933981), (13, 99036296), (26, 49518148), (52, 24759074), (79, 16297112), (104, 12379537), (158, 8148556), (316, 4074278), (632, 2037139), (1027, 1253624), (2054, 626812), (4108, 313406), (8216, 156703)]