319289425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{479}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 489968640

約数和(自身を除く): 170679215

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 293, 325, 455, 479, 1465, 2051, 2275, 2395, 3353, 3809, 6227, 7325, 10255, 11975, 16765, 19045, 26663, 31135, 43589, 51275, 83825, 95225, 133315, 140347, 155675, 217945, 666575, 701735, 982429, 1089725, 1824511, 3508675, 4912145, 9122555, 12771577, 24560725, 45612775, 63857885, 319289425]

約数ペア:

[(1, 319289425), (5, 63857885), (7, 45612775), (13, 24560725), (25, 12771577), (35, 9122555), (65, 4912145), (91, 3508675), (175, 1824511), (293, 1089725), (325, 982429), (455, 701735), (479, 666575), (1465, 217945), (2051, 155675), (2275, 140347), (2395, 133315), (3353, 95225), (3809, 83825), (6227, 51275), (7325, 43589), (10255, 31135), (11975, 26663), (16765, 19045)]