123384385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{4021}}^1$

素因数の和:4081

約数の個数: 24

約数和(自身を含む): 165497256

約数和(自身を除く): 42112871

約数列:

[1, 5, 17, 19, 85, 95, 323, 361, 1615, 1805, 4021, 6137, 20105, 30685, 68357, 76399, 341785, 381995, 1298783, 1451581, 6493915, 7257905, 24676877, 123384385]

約数ペア:

[(1, 123384385), (5, 24676877), (17, 7257905), (19, 6493915), (85, 1451581), (95, 1298783), (323, 381995), (361, 341785), (1615, 76399), (1805, 68357), (4021, 30685), (6137, 20105)]