221381268

素因数分解:

$2^2\times 3^1\times {\mathrm{571}}^1\times {\mathrm{32309}}^1$

素因数の和:32887

約数の個数: 24

約数和(自身を含む): 517476960

約数和(自身を除く): 296095692

約数列:

[1, 2, 3, 4, 6, 12, 571, 1142, 1713, 2284, 3426, 6852, 32309, 64618, 96927, 129236, 193854, 387708, 18448439, 36896878, 55345317, 73793756, 110690634, 221381268]

約数ペア:

[(1, 221381268), (2, 110690634), (3, 73793756), (4, 55345317), (6, 36896878), (12, 18448439), (571, 387708), (1142, 193854), (1713, 129236), (2284, 96927), (3426, 64618), (6852, 32309)]