420287894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{17981}}^1$

素因数の和:18056

約数の個数: 32

約数和(自身を含む): 725034240

約数和(自身を除く): 304746346

約数列:

[1, 2, 13, 26, 29, 31, 58, 62, 377, 403, 754, 806, 899, 1798, 11687, 17981, 23374, 35962, 233753, 467506, 521449, 557411, 1042898, 1114822, 6778837, 7246343, 13557674, 14492686, 16164919, 32329838, 210143947, 420287894]

約数ペア:

[(1, 420287894), (2, 210143947), (13, 32329838), (26, 16164919), (29, 14492686), (31, 13557674), (58, 7246343), (62, 6778837), (377, 1114822), (403, 1042898), (754, 557411), (806, 521449), (899, 467506), (1798, 233753), (11687, 35962), (17981, 23374)]