1931457890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{493979}}^1$

素因数の和:494026

約数の個数: 32

約数和(自身を含む): 3841188480

約数和(自身を除く): 1909730590

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 493979, 987958, 2469895, 4939790, 8397643, 11361517, 16795286, 22723034, 41988215, 56807585, 83976430, 113615170, 193145789, 386291578, 965728945, 1931457890]

約数ペア:

[(1, 1931457890), (2, 965728945), (5, 386291578), (10, 193145789), (17, 113615170), (23, 83976430), (34, 56807585), (46, 41988215), (85, 22723034), (115, 16795286), (170, 11361517), (230, 8397643), (391, 4939790), (782, 2469895), (1955, 987958), (3910, 493979)]