68678830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{971}}^1$

素因数の和:1632

約数の個数: 32

約数和(自身を含む): 135209088

約数和(自身を除く): 66530258

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 643, 971, 1286, 1942, 3215, 4855, 6430, 7073, 9710, 10681, 14146, 21362, 35365, 53405, 70730, 106810, 624353, 1248706, 3121765, 6243530, 6867883, 13735766, 34339415, 68678830]

約数ペア:

[(1, 68678830), (2, 34339415), (5, 13735766), (10, 6867883), (11, 6243530), (22, 3121765), (55, 1248706), (110, 624353), (643, 106810), (971, 70730), (1286, 53405), (1942, 35365), (3215, 21362), (4855, 14146), (6430, 10681), (7073, 9710)]