128916848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{15289}}^1$

素因数の和:15345

約数の個数: 40

約数和(自身を含む): 273018240

約数和(自身を除く): 144101392

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432, 15289, 30578, 61156, 122312, 244624, 259913, 473959, 519826, 947918, 1039652, 1895836, 2079304, 3791672, 4158608, 7583344, 8057303, 16114606, 32229212, 64458424, 128916848]

約数ペア:

[(1, 128916848), (2, 64458424), (4, 32229212), (8, 16114606), (16, 8057303), (17, 7583344), (31, 4158608), (34, 3791672), (62, 2079304), (68, 1895836), (124, 1039652), (136, 947918), (248, 519826), (272, 473959), (496, 259913), (527, 244624), (1054, 122312), (2108, 61156), (4216, 30578), (8432, 15289)]