81787612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{32507}}^1$

素因数の和:32565

約数の個数: 24

約数和(自身を含む): 155648304

約数和(自身を除く): 73860692

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 32507, 65014, 130028, 552619, 1105238, 1202759, 2210476, 2405518, 4811036, 20446903, 40893806, 81787612]

約数ペア:

[(1, 81787612), (2, 40893806), (4, 20446903), (17, 4811036), (34, 2405518), (37, 2210476), (68, 1202759), (74, 1105238), (148, 552619), (629, 130028), (1258, 65014), (2516, 32507)]