16885505

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 27578880

約数和(自身を除く): 10693375

約数列:

[1, 5, 7, 13, 17, 35, 37, 59, 65, 85, 91, 119, 185, 221, 259, 295, 413, 455, 481, 595, 629, 767, 1003, 1105, 1295, 1547, 2065, 2183, 2405, 3145, 3367, 3835, 4403, 5015, 5369, 7021, 7735, 8177, 10915, 13039, 15281, 16835, 22015, 26845, 28379, 35105, 37111, 40885, 57239, 65195, 76405, 91273, 141895, 185555, 198653, 259777, 286195, 456365, 482443, 993265, 1298885, 2412215, 3377101, 16885505]

約数ペア:

[(1, 16885505), (5, 3377101), (7, 2412215), (13, 1298885), (17, 993265), (35, 482443), (37, 456365), (59, 286195), (65, 259777), (85, 198653), (91, 185555), (119, 141895), (185, 91273), (221, 76405), (259, 65195), (295, 57239), (413, 40885), (455, 37111), (481, 35105), (595, 28379), (629, 26845), (767, 22015), (1003, 16835), (1105, 15281), (1295, 13039), (1547, 10915), (2065, 8177), (2183, 7735), (2405, 7021), (3145, 5369), (3367, 5015), (3835, 4403)]