221775499

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 264176640

約数和(自身を除く): 42401141

約数列:

[1, 11, 23, 29, 167, 181, 253, 319, 667, 1837, 1991, 3841, 4163, 4843, 5249, 7337, 30227, 42251, 45793, 53273, 57739, 111389, 120727, 332497, 695221, 876583, 1225279, 1327997, 7647431, 9642413, 20161409, 221775499]

約数ペア:

[(1, 221775499), (11, 20161409), (23, 9642413), (29, 7647431), (167, 1327997), (181, 1225279), (253, 876583), (319, 695221), (667, 332497), (1837, 120727), (1991, 111389), (3841, 57739), (4163, 53273), (4843, 45793), (5249, 42251), (7337, 30227)]