408495412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{99439}}^1$

素因数の和:99535

約数の個数: 24

約数和(自身を含む): 779609600

約数和(自身を除く): 371114188

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 99439, 198878, 397756, 1292707, 2585414, 5170828, 7855681, 15711362, 31422724, 102123853, 204247706, 408495412]

約数ペア:

[(1, 408495412), (2, 204247706), (4, 102123853), (13, 31422724), (26, 15711362), (52, 7855681), (79, 5170828), (158, 2585414), (316, 1292707), (1027, 397756), (2054, 198878), (4108, 99439)]