258021399

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 361405440

約数和(自身を除く): 103384041

約数列:

[1, 3, 47, 61, 131, 141, 183, 229, 393, 687, 2867, 6157, 7991, 8601, 10763, 13969, 18471, 23973, 29999, 32289, 41907, 89997, 375577, 656543, 1126731, 1409953, 1829939, 1969629, 4229859, 5489817, 86007133, 258021399]

約数ペア:

[(1, 258021399), (3, 86007133), (47, 5489817), (61, 4229859), (131, 1969629), (141, 1829939), (183, 1409953), (229, 1126731), (393, 656543), (687, 375577), (2867, 89997), (6157, 41907), (7991, 32289), (8601, 29999), (10763, 23973), (13969, 18471)]