309625648

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{244957}}^1$

素因数の和:245044

約数の個数: 20

約数和(自身を含む): 607495840

約数和(自身を除く): 297870192

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 244957, 489914, 979828, 1959656, 3919312, 19351603, 38703206, 77406412, 154812824, 309625648]

約数ペア:

[(1, 309625648), (2, 154812824), (4, 77406412), (8, 38703206), (16, 19351603), (79, 3919312), (158, 1959656), (316, 979828), (632, 489914), (1264, 244957)]