3815890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 7484400

約数和(自身を除く): 3668510

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 197, 298, 394, 745, 985, 1490, 1937, 1970, 2561, 3874, 5122, 9685, 12805, 19370, 25610, 29353, 58706, 146765, 293530, 381589, 763178, 1907945, 3815890]

約数ペア:

[(1, 3815890), (2, 1907945), (5, 763178), (10, 381589), (13, 293530), (26, 146765), (65, 58706), (130, 29353), (149, 25610), (197, 19370), (298, 12805), (394, 9685), (745, 5122), (985, 3874), (1490, 2561), (1937, 1970)]