321188336

素因数分解:

$2^4\times 7^2\times {\mathrm{499}}^1\times {\mathrm{821}}^1$

素因数の和:1342

約数の個数: 60

約数和(自身を含む): 726237000

約数和(自身を除く): 405048664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 499, 784, 821, 998, 1642, 1996, 3284, 3493, 3992, 5747, 6568, 6986, 7984, 11494, 13136, 13972, 22988, 24451, 27944, 40229, 45976, 48902, 55888, 80458, 91952, 97804, 160916, 195608, 321832, 391216, 409679, 643664, 819358, 1638716, 2867753, 3277432, 5735506, 6554864, 11471012, 20074271, 22942024, 40148542, 45884048, 80297084, 160594168, 321188336]

約数ペア:

[(1, 321188336), (2, 160594168), (4, 80297084), (7, 45884048), (8, 40148542), (14, 22942024), (16, 20074271), (28, 11471012), (49, 6554864), (56, 5735506), (98, 3277432), (112, 2867753), (196, 1638716), (392, 819358), (499, 643664), (784, 409679), (821, 391216), (998, 321832), (1642, 195608), (1996, 160916), (3284, 97804), (3493, 91952), (3992, 80458), (5747, 55888), (6568, 48902), (6986, 45976), (7984, 40229), (11494, 27944), (13136, 24451), (13972, 22988)]