12621815

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1522

約数の個数: 16

約数和(自身を含む): 15936480

約数和(自身を除く): 3314665

約数列:

[1, 5, 29, 61, 145, 305, 1427, 1769, 7135, 8845, 41383, 87047, 206915, 435235, 2524363, 12621815]

約数ペア:

[(1, 12621815), (5, 2524363), (29, 435235), (61, 206915), (145, 87047), (305, 41383), (1427, 8845), (1769, 7135)]