90678718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 149688000

約数和(自身を除く): 59009282

約数列:

[1, 2, 13, 26, 89, 149, 178, 263, 298, 526, 1157, 1937, 2314, 3419, 3874, 6838, 13261, 23407, 26522, 39187, 46814, 78374, 172393, 304291, 344786, 509431, 608582, 1018862, 3487643, 6975286, 45339359, 90678718]

約数ペア:

[(1, 90678718), (2, 45339359), (13, 6975286), (26, 3487643), (89, 1018862), (149, 608582), (178, 509431), (263, 344786), (298, 304291), (526, 172393), (1157, 78374), (1937, 46814), (2314, 39187), (3419, 26522), (3874, 23407), (6838, 13261)]