28804685

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 17160115

約数列:

[1, 5, 7, 13, 29, 35, 37, 59, 65, 91, 145, 185, 203, 259, 295, 377, 413, 455, 481, 767, 1015, 1073, 1295, 1711, 1885, 2065, 2183, 2405, 2639, 3367, 3835, 5365, 5369, 7511, 8555, 10915, 11977, 13195, 13949, 15281, 16835, 22243, 26845, 28379, 37555, 59885, 63307, 69745, 76405, 97643, 111215, 141895, 155701, 198653, 316535, 443149, 488215, 778505, 822991, 993265, 2215745, 4114955, 5760937, 28804685]

約数ペア:

[(1, 28804685), (5, 5760937), (7, 4114955), (13, 2215745), (29, 993265), (35, 822991), (37, 778505), (59, 488215), (65, 443149), (91, 316535), (145, 198653), (185, 155701), (203, 141895), (259, 111215), (295, 97643), (377, 76405), (413, 69745), (455, 63307), (481, 59885), (767, 37555), (1015, 28379), (1073, 26845), (1295, 22243), (1711, 16835), (1885, 15281), (2065, 13949), (2183, 13195), (2405, 11977), (2639, 10915), (3367, 8555), (3835, 7511), (5365, 5369)]