7989644

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 15494976

約数和(自身を除く): 7505332

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 223, 338, 446, 676, 689, 892, 1378, 2756, 2899, 5798, 8957, 11596, 11819, 17914, 23638, 35828, 37687, 47276, 75374, 150748, 153647, 307294, 614588, 1997411, 3994822, 7989644]

約数ペア:

[(1, 7989644), (2, 3994822), (4, 1997411), (13, 614588), (26, 307294), (52, 153647), (53, 150748), (106, 75374), (169, 47276), (212, 37687), (223, 35828), (338, 23638), (446, 17914), (676, 11819), (689, 11596), (892, 8957), (1378, 5798), (2756, 2899)]