638074366

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1\times {\mathrm{12241}}^1$

素因数の和:12699

約数の個数: 16

約数和(自身を含む): 973973520

約数和(自身を除く): 335899154

約数列:

[1, 2, 67, 134, 389, 778, 12241, 24482, 26063, 52126, 820147, 1640294, 4761749, 9523498, 319037183, 638074366]

約数ペア:

[(1, 638074366), (2, 319037183), (67, 9523498), (134, 4761749), (389, 1640294), (778, 820147), (12241, 52126), (24482, 26063)]