1211998984

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{940993}}^1$

素因数の和:941029

約数の個数: 32

約数和(自身を含む): 2710062720

約数和(自身を除く): 1498063736

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 940993, 1881986, 3763972, 6586951, 7527944, 13173902, 21642839, 26347804, 43285678, 52695608, 86571356, 151499873, 173142712, 302999746, 605999492, 1211998984]

約数ペア:

[(1, 1211998984), (2, 605999492), (4, 302999746), (7, 173142712), (8, 151499873), (14, 86571356), (23, 52695608), (28, 43285678), (46, 26347804), (56, 21642839), (92, 13173902), (161, 7527944), (184, 6586951), (322, 3763972), (644, 1881986), (1288, 940993)]