128156988

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{431}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 304819200

約数和(自身を除く): 176662212

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 349, 426, 431, 698, 852, 862, 1047, 1293, 1396, 1724, 2094, 2586, 4188, 5172, 24779, 30601, 49558, 61202, 74337, 91803, 99116, 122404, 148674, 150419, 183606, 297348, 300838, 367212, 451257, 601676, 902514, 1805028, 10679749, 21359498, 32039247, 42718996, 64078494, 128156988]

約数ペア:

[(1, 128156988), (2, 64078494), (3, 42718996), (4, 32039247), (6, 21359498), (12, 10679749), (71, 1805028), (142, 902514), (213, 601676), (284, 451257), (349, 367212), (426, 300838), (431, 297348), (698, 183606), (852, 150419), (862, 148674), (1047, 122404), (1293, 99116), (1396, 91803), (1724, 74337), (2094, 61202), (2586, 49558), (4188, 30601), (5172, 24779)]