12621790

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 23522400

約数和(自身を除く): 10900610

約数列:

[1, 2, 5, 10, 43, 86, 149, 197, 215, 298, 394, 430, 745, 985, 1490, 1970, 6407, 8471, 12814, 16942, 29353, 32035, 42355, 58706, 64070, 84710, 146765, 293530, 1262179, 2524358, 6310895, 12621790]

約数ペア:

[(1, 12621790), (2, 6310895), (5, 2524358), (10, 1262179), (43, 293530), (86, 146765), (149, 84710), (197, 64070), (215, 58706), (298, 42355), (394, 32035), (430, 29353), (745, 16942), (985, 12814), (1490, 8471), (1970, 6407)]