1640984826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{21038267}}^1$

素因数の和:21038285

約数の個数: 16

約数和(自身を含む): 3534429024

約数和(自身を除く): 1893444198

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 21038267, 42076534, 63114801, 126229602, 273497471, 546994942, 820492413, 1640984826]

約数ペア:

[(1, 1640984826), (2, 820492413), (3, 546994942), (6, 273497471), (13, 126229602), (26, 63114801), (39, 42076534), (78, 21038267)]