78538018

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{317}}^1\times {\mathrm{733}}^1$

素因数の和:1078

約数の個数: 24

約数和(自身を含む): 128143188

約数和(自身を除く): 49605170

約数列:

[1, 2, 13, 26, 169, 317, 338, 634, 733, 1466, 4121, 8242, 9529, 19058, 53573, 107146, 123877, 232361, 247754, 464722, 3020693, 6041386, 39269009, 78538018]

約数ペア:

[(1, 78538018), (2, 39269009), (13, 6041386), (26, 3020693), (169, 464722), (317, 247754), (338, 232361), (634, 123877), (733, 107146), (1466, 53573), (4121, 19058), (8242, 9529)]