68667404

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:834

約数の個数: 36

約数和(自身を含む): 131153904

約数和(自身を除く): 62486500

約数列:

[1, 2, 4, 13, 26, 52, 157, 169, 314, 338, 628, 647, 676, 1294, 2041, 2588, 4082, 8164, 8411, 16822, 26533, 33644, 53066, 101579, 106132, 109343, 203158, 218686, 406316, 437372, 1320527, 2641054, 5282108, 17166851, 34333702, 68667404]

約数ペア:

[(1, 68667404), (2, 34333702), (4, 17166851), (13, 5282108), (26, 2641054), (52, 1320527), (157, 437372), (169, 406316), (314, 218686), (338, 203158), (628, 109343), (647, 106132), (676, 101579), (1294, 53066), (2041, 33644), (2588, 26533), (4082, 16822), (8164, 8411)]