31661474

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{283}}^1\times {\mathrm{331}}^1$

素因数の和:642

約数の個数: 24

約数和(自身を含む): 51764112

約数和(自身を除く): 20102638

約数列:

[1, 2, 13, 26, 169, 283, 331, 338, 566, 662, 3679, 4303, 7358, 8606, 47827, 55939, 93673, 95654, 111878, 187346, 1217749, 2435498, 15830737, 31661474]

約数ペア:

[(1, 31661474), (2, 15830737), (13, 2435498), (26, 1217749), (169, 187346), (283, 111878), (331, 95654), (338, 93673), (566, 55939), (662, 47827), (3679, 8606), (4303, 7358)]