648008845

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{5437}}^1$

素因数の和:5661

約数の個数: 24

約数和(自身を含む): 859225752

約数和(自身を除く): 211216907

約数列:

[1, 5, 11, 55, 121, 197, 605, 985, 2167, 5437, 10835, 23837, 27185, 59807, 119185, 299035, 657877, 1071089, 3289385, 5355445, 11781979, 58909895, 129601769, 648008845]

約数ペア:

[(1, 648008845), (5, 129601769), (11, 58909895), (55, 11781979), (121, 5355445), (197, 3289385), (605, 1071089), (985, 657877), (2167, 299035), (5437, 119185), (10835, 59807), (23837, 27185)]