660195736

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{117389}}^1$

素因数の和:117451

約数の個数: 32

約数和(自身を含む): 1338246000

約数和(自身を除く): 678050264

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 5624, 117389, 234778, 469556, 939112, 2230391, 4343393, 4460782, 8686786, 8921564, 17373572, 17843128, 34747144, 82524467, 165048934, 330097868, 660195736]

約数ペア:

[(1, 660195736), (2, 330097868), (4, 165048934), (8, 82524467), (19, 34747144), (37, 17843128), (38, 17373572), (74, 8921564), (76, 8686786), (148, 4460782), (152, 4343393), (296, 2230391), (703, 939112), (1406, 469556), (2812, 234778), (5624, 117389)]