72021872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{346259}}^1$

素因数の和:346280

約数の個数: 20

約数和(自身を含む): 150276840

約数和(自身を除く): 78254968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 346259, 692518, 1385036, 2770072, 4501367, 5540144, 9002734, 18005468, 36010936, 72021872]

約数ペア:

[(1, 72021872), (2, 36010936), (4, 18005468), (8, 9002734), (13, 5540144), (16, 4501367), (26, 2770072), (52, 1385036), (104, 692518), (208, 346259)]