1388356

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{1201}}^1$

素因数の和:1239

約数の個数: 18

約数和(自身を含む): 2583098

約数和(自身を除く): 1194742

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 1201, 2402, 4804, 20417, 40834, 81668, 347089, 694178, 1388356]

約数ペア:

[(1, 1388356), (2, 694178), (4, 347089), (17, 81668), (34, 40834), (68, 20417), (289, 4804), (578, 2402), (1156, 1201)]