389655188

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{5101}}^1$

素因数の和:5244

約数の個数: 36

約数和(自身を含む): 745065468

約数和(自身を除く): 355410280

約数列:

[1, 2, 4, 13, 26, 52, 113, 169, 226, 338, 452, 676, 1469, 2938, 5101, 5876, 10202, 19097, 20404, 38194, 66313, 76388, 132626, 265252, 576413, 862069, 1152826, 1724138, 2305652, 3448276, 7493369, 14986738, 29973476, 97413797, 194827594, 389655188]

約数ペア:

[(1, 389655188), (2, 194827594), (4, 97413797), (13, 29973476), (26, 14986738), (52, 7493369), (113, 3448276), (169, 2305652), (226, 1724138), (338, 1152826), (452, 862069), (676, 576413), (1469, 265252), (2938, 132626), (5101, 76388), (5876, 66313), (10202, 38194), (19097, 20404)]