318956

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{659}}^1$

素因数の和:685

約数の個数: 18

約数和(自身を含む): 614460

約数和(自身を除く): 295504

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 659, 1318, 2636, 7249, 14498, 28996, 79739, 159478, 318956]

約数ペア:

[(1, 318956), (2, 159478), (4, 79739), (11, 28996), (22, 14498), (44, 7249), (121, 2636), (242, 1318), (484, 659)]