15642263

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 20697600

約数和(自身を除く): 5055337

約数列:

[1, 7, 13, 19, 83, 91, 109, 133, 247, 581, 763, 1079, 1417, 1577, 1729, 2071, 7553, 9047, 9919, 11039, 14497, 20501, 26923, 63329, 117611, 143507, 171893, 188461, 823277, 1203251, 2234609, 15642263]

約数ペア:

[(1, 15642263), (7, 2234609), (13, 1203251), (19, 823277), (83, 188461), (91, 171893), (109, 143507), (133, 117611), (247, 63329), (581, 26923), (763, 20501), (1079, 14497), (1417, 11039), (1577, 9919), (1729, 9047), (2071, 7553)]