20131027475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{911}}^1\times {\mathrm{67993}}^1$

素因数の和:68927

約数の個数: 24

約数和(自身を含む): 26912569152

約数和(自身を除く): 6781541677

約数列:

[1, 5, 13, 25, 65, 325, 911, 4555, 11843, 22775, 59215, 67993, 296075, 339965, 883909, 1699825, 4419545, 22097725, 61941623, 309708115, 805241099, 1548540575, 4026205495, 20131027475]

約数ペア:

[(1, 20131027475), (5, 4026205495), (13, 1548540575), (25, 805241099), (65, 309708115), (325, 61941623), (911, 22097725), (4555, 4419545), (11843, 1699825), (22775, 883909), (59215, 339965), (67993, 296075)]