1397520190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{43961}}^1$

素因数の和:44013

約数の個数: 48

約数和(自身を含む): 2915208144

約数和(自身を除く): 1517687954

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 289, 374, 578, 935, 1445, 1870, 2890, 3179, 6358, 15895, 31790, 43961, 87922, 219805, 439610, 483571, 747337, 967142, 1494674, 2417855, 3736685, 4835710, 7473370, 8220707, 12704729, 16441414, 25409458, 41103535, 63523645, 82207070, 127047290, 139752019, 279504038, 698760095, 1397520190]

約数ペア:

[(1, 1397520190), (2, 698760095), (5, 279504038), (10, 139752019), (11, 127047290), (17, 82207070), (22, 63523645), (34, 41103535), (55, 25409458), (85, 16441414), (110, 12704729), (170, 8220707), (187, 7473370), (289, 4835710), (374, 3736685), (578, 2417855), (935, 1494674), (1445, 967142), (1870, 747337), (2890, 483571), (3179, 439610), (6358, 219805), (15895, 87922), (31790, 43961)]