255215519

素因数分解:

${\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 284056992

約数和(自身を除く): 28841473

約数列:

[1, 13, 73, 137, 151, 169, 949, 1781, 1963, 10001, 11023, 12337, 20687, 23153, 25519, 130013, 143299, 268931, 1510151, 1690169, 1862887, 3496103, 19631963, 255215519]

約数ペア:

[(1, 255215519), (13, 19631963), (73, 3496103), (137, 1862887), (151, 1690169), (169, 1510151), (949, 268931), (1781, 143299), (1963, 130013), (10001, 25519), (11023, 23153), (12337, 20687)]