123705542

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{21559}}^1$

素因数の和:21731

約数の個数: 16

約数和(自身を含む): 196627200

約数和(自身を除く): 72921658

約数列:

[1, 2, 19, 38, 151, 302, 2869, 5738, 21559, 43118, 409621, 819242, 3255409, 6510818, 61852771, 123705542]

約数ペア:

[(1, 123705542), (2, 61852771), (19, 6510818), (38, 3255409), (151, 819242), (302, 409621), (2869, 43118), (5738, 21559)]