520019396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{1229}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 1002892800

約数和(自身を除く): 482873404

約数列:

[1, 2, 4, 13, 26, 52, 79, 103, 158, 206, 316, 412, 1027, 1229, 1339, 2054, 2458, 2678, 4108, 4916, 5356, 8137, 15977, 16274, 31954, 32548, 63908, 97091, 105781, 126587, 194182, 211562, 253174, 388364, 423124, 506348, 1262183, 1645631, 2524366, 3291262, 5048732, 6582524, 10000373, 20000746, 40001492, 130004849, 260009698, 520019396]

約数ペア:

[(1, 520019396), (2, 260009698), (4, 130004849), (13, 40001492), (26, 20000746), (52, 10000373), (79, 6582524), (103, 5048732), (158, 3291262), (206, 2524366), (316, 1645631), (412, 1262183), (1027, 506348), (1229, 423124), (1339, 388364), (2054, 253174), (2458, 211562), (2678, 194182), (4108, 126587), (4916, 105781), (5356, 97091), (8137, 63908), (15977, 32548), (16274, 31954)]