161661610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{14551}}^1$

素因数の和:14670

約数の個数: 32

約数和(自身を含む): 320609664

約数和(自身を除く): 158948054

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 11110, 14551, 29102, 72755, 145510, 160061, 320122, 800305, 1469651, 1600610, 2939302, 7348255, 14696510, 16166161, 32332322, 80830805, 161661610]

約数ペア:

[(1, 161661610), (2, 80830805), (5, 32332322), (10, 16166161), (11, 14696510), (22, 7348255), (55, 2939302), (101, 1600610), (110, 1469651), (202, 800305), (505, 320122), (1010, 160061), (1111, 145510), (2222, 72755), (5555, 29102), (11110, 14551)]