138972275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3923}}^1$

素因数の和:4055

約数の個数: 24

約数和(自身を含む): 187331760

約数和(自身を除く): 48359485

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 1417, 2725, 3923, 7085, 19615, 35425, 50999, 98075, 254995, 427607, 1274975, 2138035, 5558891, 10690175, 27794455, 138972275]

約数ペア:

[(1, 138972275), (5, 27794455), (13, 10690175), (25, 5558891), (65, 2138035), (109, 1274975), (325, 427607), (545, 254995), (1417, 98075), (2725, 50999), (3923, 35425), (7085, 19615)]