172871710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{6521}}^1$

素因数の和:6780

約数の個数: 32

約数和(自身を含む): 340917984

約数和(自身を除く): 168046274

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 241, 482, 1205, 2410, 2651, 5302, 6521, 13042, 13255, 26510, 32605, 65210, 71731, 143462, 358655, 717310, 1571561, 3143122, 7857805, 15715610, 17287171, 34574342, 86435855, 172871710]

約数ペア:

[(1, 172871710), (2, 86435855), (5, 34574342), (10, 17287171), (11, 15715610), (22, 7857805), (55, 3143122), (110, 1571561), (241, 717310), (482, 358655), (1205, 143462), (2410, 71731), (2651, 65210), (5302, 32605), (6521, 26510), (13042, 13255)]