30920078

素因数分解:

$2^1\times 7^4\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 40

約数和(自身を含む): 55661472

約数和(自身を除く): 24741394

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 137, 274, 329, 343, 658, 686, 959, 1918, 2303, 2401, 4606, 4802, 6439, 6713, 12878, 13426, 16121, 32242, 45073, 46991, 90146, 93982, 112847, 225694, 315511, 328937, 631022, 657874, 2208577, 4417154, 15460039, 30920078]

約数ペア:

[(1, 30920078), (2, 15460039), (7, 4417154), (14, 2208577), (47, 657874), (49, 631022), (94, 328937), (98, 315511), (137, 225694), (274, 112847), (329, 93982), (343, 90146), (658, 46991), (686, 45073), (959, 32242), (1918, 16121), (2303, 13426), (2401, 12878), (4606, 6713), (4802, 6439)]