399289345

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 608509440

約数和(自身を除く): 209220095

約数列:

[1, 5, 7, 13, 35, 65, 83, 91, 97, 109, 415, 455, 485, 545, 581, 679, 763, 1079, 1261, 1417, 2905, 3395, 3815, 5395, 6305, 7085, 7553, 8051, 8827, 9047, 9919, 10573, 37765, 40255, 44135, 45235, 49595, 52865, 56357, 63329, 74011, 104663, 117611, 137449, 281785, 316645, 370055, 523315, 588055, 687245, 732641, 823277, 877559, 962143, 3663205, 4116385, 4387795, 4810715, 6142913, 11408267, 30714565, 57041335, 79857869, 399289345]

約数ペア:

[(1, 399289345), (5, 79857869), (7, 57041335), (13, 30714565), (35, 11408267), (65, 6142913), (83, 4810715), (91, 4387795), (97, 4116385), (109, 3663205), (415, 962143), (455, 877559), (485, 823277), (545, 732641), (581, 687245), (679, 588055), (763, 523315), (1079, 370055), (1261, 316645), (1417, 281785), (2905, 137449), (3395, 117611), (3815, 104663), (5395, 74011), (6305, 63329), (7085, 56357), (7553, 52865), (8051, 49595), (8827, 45235), (9047, 44135), (9919, 40255), (10573, 37765)]