12980944

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{13751}}^1$

素因数の和:13818

約数の個数: 20

約数和(自身を含む): 25578720

約数和(自身を除く): 12597776

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 13751, 27502, 55004, 110008, 220016, 811309, 1622618, 3245236, 6490472, 12980944]

約数ペア:

[(1, 12980944), (2, 6490472), (4, 3245236), (8, 1622618), (16, 811309), (59, 220016), (118, 110008), (236, 55004), (472, 27502), (944, 13751)]