1261431110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{110749}}^1$

素因数の和:110840

約数の個数: 32

約数和(自身を含む): 2440044000

約数和(自身を除く): 1178612890

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 670, 1139, 2278, 5695, 11390, 110749, 221498, 553745, 1107490, 1882733, 3765466, 7420183, 9413665, 14840366, 18827330, 37100915, 74201830, 126143111, 252286222, 630715555, 1261431110]

約数ペア:

[(1, 1261431110), (2, 630715555), (5, 252286222), (10, 126143111), (17, 74201830), (34, 37100915), (67, 18827330), (85, 14840366), (134, 9413665), (170, 7420183), (335, 3765466), (670, 1882733), (1139, 1107490), (2278, 553745), (5695, 221498), (11390, 110749)]