1640371915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{5521}}^1$

素因数の和:6199

約数の個数: 32

約数和(自身を含む): 2426852736

約数和(自身を除く): 786480821

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 653, 3265, 4571, 5521, 8489, 22855, 27605, 38647, 42445, 59423, 71773, 193235, 297115, 358865, 502411, 2512055, 3605213, 18026065, 25236491, 46867769, 126182455, 234338845, 328074383, 1640371915]

約数ペア:

[(1, 1640371915), (5, 328074383), (7, 234338845), (13, 126182455), (35, 46867769), (65, 25236491), (91, 18026065), (455, 3605213), (653, 2512055), (3265, 502411), (4571, 358865), (5521, 297115), (8489, 193235), (22855, 71773), (27605, 59423), (38647, 42445)]