81975190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{743}}^1$

素因数の和:837

約数の個数: 64

約数和(自身を含む): 173560320

約数和(自身を除く): 91585130

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 59, 85, 110, 118, 170, 187, 295, 374, 590, 649, 743, 935, 1003, 1298, 1486, 1870, 2006, 3245, 3715, 5015, 6490, 7430, 8173, 10030, 11033, 12631, 16346, 22066, 25262, 40865, 43837, 55165, 63155, 81730, 87674, 110330, 126310, 138941, 219185, 277882, 438370, 482207, 694705, 745229, 964414, 1389410, 1490458, 2411035, 3726145, 4822070, 7452290, 8197519, 16395038, 40987595, 81975190]

約数ペア:

[(1, 81975190), (2, 40987595), (5, 16395038), (10, 8197519), (11, 7452290), (17, 4822070), (22, 3726145), (34, 2411035), (55, 1490458), (59, 1389410), (85, 964414), (110, 745229), (118, 694705), (170, 482207), (187, 438370), (295, 277882), (374, 219185), (590, 138941), (649, 126310), (743, 110330), (935, 87674), (1003, 81730), (1298, 63155), (1486, 55165), (1870, 43837), (2006, 40865), (3245, 25262), (3715, 22066), (5015, 16346), (6490, 12631), (7430, 11033), (8173, 10030)]