380908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{787}}^1$

素因数の和:813

約数の個数: 18

約数和(自身を含む): 733628

約数和(自身を除く): 352720

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 787, 1574, 3148, 8657, 17314, 34628, 95227, 190454, 380908]

約数ペア:

[(1, 380908), (2, 190454), (4, 95227), (11, 34628), (22, 17314), (44, 8657), (121, 3148), (242, 1574), (484, 787)]