72448441

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 84115584

約数和(自身を除く): 11667143

約数列:

[1, 13, 17, 151, 167, 169, 221, 1963, 2171, 2567, 2839, 2873, 25217, 25519, 28223, 33371, 36907, 327821, 428689, 433823, 479791, 4261673, 5572957, 72448441]

約数ペア:

[(1, 72448441), (13, 5572957), (17, 4261673), (151, 479791), (167, 433823), (169, 428689), (221, 327821), (1963, 36907), (2171, 33371), (2567, 28223), (2839, 25519), (2873, 25217)]