181858124

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1009}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 375332160

約数和(自身を除く): 193474036

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 157, 164, 287, 314, 574, 628, 1009, 1099, 1148, 2018, 2198, 4036, 4396, 6437, 7063, 12874, 14126, 25748, 28252, 41369, 45059, 82738, 90118, 158413, 165476, 180236, 289583, 316826, 579166, 633652, 1108891, 1158332, 2217782, 4435564, 6494933, 12989866, 25979732, 45464531, 90929062, 181858124]

約数ペア:

[(1, 181858124), (2, 90929062), (4, 45464531), (7, 25979732), (14, 12989866), (28, 6494933), (41, 4435564), (82, 2217782), (157, 1158332), (164, 1108891), (287, 633652), (314, 579166), (574, 316826), (628, 289583), (1009, 180236), (1099, 165476), (1148, 158413), (2018, 90118), (2198, 82738), (4036, 45059), (4396, 41369), (6437, 28252), (7063, 25748), (12874, 14126)]