85987390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{743}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 158132736

約数和(自身を除く): 72145346

約数列:

[1, 2, 5, 10, 71, 142, 163, 326, 355, 710, 743, 815, 1486, 1630, 3715, 7430, 11573, 23146, 52753, 57865, 105506, 115730, 121109, 242218, 263765, 527530, 605545, 1211090, 8598739, 17197478, 42993695, 85987390]

約数ペア:

[(1, 85987390), (2, 42993695), (5, 17197478), (10, 8598739), (71, 1211090), (142, 605545), (163, 527530), (326, 263765), (355, 242218), (710, 121109), (743, 115730), (815, 105506), (1486, 57865), (1630, 52753), (3715, 23146), (7430, 11573)]