68443895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 91929600

約数和(自身を除く): 23485705

約数列:

[1, 5, 13, 37, 65, 149, 185, 191, 481, 745, 955, 1937, 2405, 2483, 5513, 7067, 9685, 12415, 27565, 28459, 35335, 71669, 91871, 142295, 358345, 369967, 459355, 1052983, 1849835, 5264915, 13688779, 68443895]

約数ペア:

[(1, 68443895), (5, 13688779), (13, 5264915), (37, 1849835), (65, 1052983), (149, 459355), (185, 369967), (191, 358345), (481, 142295), (745, 91871), (955, 71669), (1937, 35335), (2405, 28459), (2483, 27565), (5513, 12415), (7067, 9685)]