199977064

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{18127}}^1$

素因数の和:18337

約数の個数: 32

約数和(自身を含む): 430721280

約数和(自身を除く): 230744216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 2758, 5516, 11032, 18127, 36254, 72508, 126889, 145016, 253778, 507556, 1015112, 3571019, 7142038, 14284076, 24997133, 28568152, 49994266, 99988532, 199977064]

約数ペア:

[(1, 199977064), (2, 99988532), (4, 49994266), (7, 28568152), (8, 24997133), (14, 14284076), (28, 7142038), (56, 3571019), (197, 1015112), (394, 507556), (788, 253778), (1379, 145016), (1576, 126889), (2758, 72508), (5516, 36254), (11032, 18127)]