123886990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{728747}}^1$

素因数の和:728771

約数の個数: 16

約数和(自身を含む): 236114352

約数和(自身を除く): 112227362

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 728747, 1457494, 3643735, 7287470, 12388699, 24777398, 61943495, 123886990]

約数ペア:

[(1, 123886990), (2, 61943495), (5, 24777398), (10, 12388699), (17, 7287470), (34, 3643735), (85, 1457494), (170, 728747)]