81712421

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{8273}}^1$

素因数の和:8380

約数の個数: 16

約数和(自身を含む): 100082304

約数和(自身を除く): 18369883

約数列:

[1, 7, 17, 83, 119, 581, 1411, 8273, 9877, 57911, 140641, 686659, 984487, 4806613, 11673203, 81712421]

約数ペア:

[(1, 81712421), (7, 11673203), (17, 4806613), (83, 984487), (119, 686659), (581, 140641), (1411, 57911), (8273, 9877)]