28840418

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{1571}}^1$

素因数の和:1777

約数の個数: 16

約数和(自身を含む): 44254944

約数和(自身を除く): 15414526

約数列:

[1, 2, 67, 134, 137, 274, 1571, 3142, 9179, 18358, 105257, 210514, 215227, 430454, 14420209, 28840418]

約数ペア:

[(1, 28840418), (2, 14420209), (67, 430454), (134, 215227), (137, 210514), (274, 105257), (1571, 18358), (3142, 9179)]