890403004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{85517}}^1$

素因数の和:85677

約数の個数: 24

約数和(自身を含む): 1652207760

約数和(自身を除く): 761804756

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 2603, 5206, 10412, 85517, 171034, 342068, 1624823, 3249646, 6499292, 11715829, 23431658, 46863316, 222600751, 445201502, 890403004]

約数ペア:

[(1, 890403004), (2, 445201502), (4, 222600751), (19, 46863316), (38, 23431658), (76, 11715829), (137, 6499292), (274, 3249646), (548, 1624823), (2603, 342068), (5206, 171034), (10412, 85517)]