2221407727

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{120709}}^1$

素因数の和:120966

約数の個数: 16

約数和(自身を含む): 2781158400

約数和(自身を除く): 559750673

約数列:

[1, 7, 11, 77, 239, 1673, 2629, 18403, 120709, 844963, 1327799, 9294593, 28849451, 201946157, 317343961, 2221407727]

約数ペア:

[(1, 2221407727), (7, 317343961), (11, 201946157), (77, 28849451), (239, 9294593), (1673, 1327799), (2629, 844963), (18403, 120709)]