72490808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2777}}^1$

素因数の和:3047

約数の個数: 32

約数和(自身を含む): 147011760

約数和(自身を除く): 74520952

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 251, 502, 1004, 2008, 2777, 3263, 5554, 6526, 11108, 13052, 22216, 26104, 36101, 72202, 144404, 288808, 697027, 1394054, 2788108, 5576216, 9061351, 18122702, 36245404, 72490808]

約数ペア:

[(1, 72490808), (2, 36245404), (4, 18122702), (8, 9061351), (13, 5576216), (26, 2788108), (52, 1394054), (104, 697027), (251, 288808), (502, 144404), (1004, 72202), (2008, 36101), (2777, 26104), (3263, 22216), (5554, 13052), (6526, 11108)]