214912385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 279936000

約数和(自身を除く): 65023615

約数列:

[1, 5, 17, 71, 85, 149, 239, 355, 745, 1195, 1207, 2533, 4063, 6035, 10579, 12665, 16969, 20315, 35611, 52895, 84845, 178055, 179843, 288473, 605387, 899215, 1442365, 2528381, 3026935, 12641905, 42982477, 214912385]

約数ペア:

[(1, 214912385), (5, 42982477), (17, 12641905), (71, 3026935), (85, 2528381), (149, 1442365), (239, 899215), (355, 605387), (745, 288473), (1195, 179843), (1207, 178055), (2533, 84845), (4063, 52895), (6035, 35611), (10579, 20315), (12665, 16969)]