4021787705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{72707}}^1$

素因数の和:72785

約数の個数: 32

約数和(自身を含む): 5570014464

約数和(自身を除く): 1548226759

約数列:

[1, 5, 13, 23, 37, 65, 115, 185, 299, 481, 851, 1495, 2405, 4255, 11063, 55315, 72707, 363535, 945191, 1672261, 2690159, 4725955, 8361305, 13450795, 21739393, 34972067, 61873657, 108696965, 174860335, 309368285, 804357541, 4021787705]

約数ペア:

[(1, 4021787705), (5, 804357541), (13, 309368285), (23, 174860335), (37, 108696965), (65, 61873657), (115, 34972067), (185, 21739393), (299, 13450795), (481, 8361305), (851, 4725955), (1495, 2690159), (2405, 1672261), (4255, 945191), (11063, 363535), (55315, 72707)]