81378244

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{11699}}^1$

素因数の和:11787

約数の個数: 24

約数和(自身を含む): 149385600

約数和(自身を除く): 68007356

約数列:

[1, 2, 4, 37, 47, 74, 94, 148, 188, 1739, 3478, 6956, 11699, 23398, 46796, 432863, 549853, 865726, 1099706, 1731452, 2199412, 20344561, 40689122, 81378244]

約数ペア:

[(1, 81378244), (2, 40689122), (4, 20344561), (37, 2199412), (47, 1731452), (74, 1099706), (94, 865726), (148, 549853), (188, 432863), (1739, 46796), (3478, 23398), (6956, 11699)]