1389388

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 3273984

約数和(自身を除く): 1884596

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 347, 364, 572, 694, 1001, 1388, 2002, 2429, 3817, 4004, 4511, 4858, 7634, 9022, 9716, 15268, 18044, 26719, 31577, 49621, 53438, 63154, 99242, 106876, 126308, 198484, 347347, 694694, 1389388]

約数ペア:

[(1, 1389388), (2, 694694), (4, 347347), (7, 198484), (11, 126308), (13, 106876), (14, 99242), (22, 63154), (26, 53438), (28, 49621), (44, 31577), (52, 26719), (77, 18044), (91, 15268), (143, 9716), (154, 9022), (182, 7634), (286, 4858), (308, 4511), (347, 4004), (364, 3817), (572, 2429), (694, 2002), (1001, 1388)]