128440418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{659}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 212889600

約数和(自身を除く): 84449182

約数列:

[1, 2, 19, 23, 38, 46, 223, 437, 446, 659, 874, 1318, 4237, 5129, 8474, 10258, 12521, 15157, 25042, 30314, 97451, 146957, 194902, 287983, 293914, 575966, 2792183, 3380011, 5584366, 6760022, 64220209, 128440418]

約数ペア:

[(1, 128440418), (2, 64220209), (19, 6760022), (23, 5584366), (38, 3380011), (46, 2792183), (223, 575966), (437, 293914), (446, 287983), (659, 194902), (874, 146957), (1318, 97451), (4237, 30314), (5129, 25042), (8474, 15157), (10258, 12521)]