28894973185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{428677}}^1$

素因数の和:428773

約数の個数: 32

約数和(自身を含む): 40185990432

約数和(自身を除く): 11291017247

約数列:

[1, 5, 13, 17, 61, 65, 85, 221, 305, 793, 1037, 1105, 3965, 5185, 13481, 67405, 428677, 2143385, 5572801, 7287509, 26149297, 27864005, 36437545, 94737617, 130746485, 339940861, 444538049, 473688085, 1699704305, 2222690245, 5778994637, 28894973185]

約数ペア:

[(1, 28894973185), (5, 5778994637), (13, 2222690245), (17, 1699704305), (61, 473688085), (65, 444538049), (85, 339940861), (221, 130746485), (305, 94737617), (793, 36437545), (1037, 27864005), (1105, 26149297), (3965, 7287509), (5185, 5572801), (13481, 2143385), (67405, 428677)]