123655856

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{97829}}^1$

素因数の和:97916

約数の個数: 20

約数和(自身を含む): 242618400

約数和(自身を除く): 118962544

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 97829, 195658, 391316, 782632, 1565264, 7728491, 15456982, 30913964, 61827928, 123655856]

約数ペア:

[(1, 123655856), (2, 61827928), (4, 30913964), (8, 15456982), (16, 7728491), (79, 1565264), (158, 782632), (316, 391316), (632, 195658), (1264, 97829)]