640895643022

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1\times {\mathrm{5138923}}^1$

素因数の和:5139543

約数の個数: 16

約数和(自身を含む): 970886633472

約数和(自身を除く): 329990990450

約数列:

[1, 2, 127, 254, 491, 982, 62357, 124714, 5138923, 10277846, 652643221, 1305286442, 2523211193, 5046422386, 320447821511, 640895643022]

約数ペア:

[(1, 640895643022), (2, 320447821511), (127, 5046422386), (254, 2523211193), (491, 1305286442), (982, 652643221), (62357, 10277846), (124714, 5138923)]