78854704

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1213}}^1$

素因数の和:1477

約数の個数: 40

約数和(自身を含む): 162578880

約数和(自身を除く): 83724176

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 239, 272, 478, 956, 1213, 1912, 2426, 3824, 4063, 4852, 8126, 9704, 16252, 19408, 20621, 32504, 41242, 65008, 82484, 164968, 289907, 329936, 579814, 1159628, 2319256, 4638512, 4928419, 9856838, 19713676, 39427352, 78854704]

約数ペア:

[(1, 78854704), (2, 39427352), (4, 19713676), (8, 9856838), (16, 4928419), (17, 4638512), (34, 2319256), (68, 1159628), (136, 579814), (239, 329936), (272, 289907), (478, 164968), (956, 82484), (1213, 65008), (1912, 41242), (2426, 32504), (3824, 20621), (4063, 19408), (4852, 16252), (8126, 9704)]