663797744

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{499}}^1\times {\mathrm{1171}}^1$

素因数の和:1749

約数の個数: 40

約数和(自身を含む): 1307952000

約数和(自身を除く): 644154256

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 499, 568, 998, 1136, 1171, 1996, 2342, 3992, 4684, 7984, 9368, 18736, 35429, 70858, 83141, 141716, 166282, 283432, 332564, 566864, 584329, 665128, 1168658, 1330256, 2337316, 4674632, 9349264, 41487359, 82974718, 165949436, 331898872, 663797744]

約数ペア:

[(1, 663797744), (2, 331898872), (4, 165949436), (8, 82974718), (16, 41487359), (71, 9349264), (142, 4674632), (284, 2337316), (499, 1330256), (568, 1168658), (998, 665128), (1136, 584329), (1171, 566864), (1996, 332564), (2342, 283432), (3992, 166282), (4684, 141716), (7984, 83141), (9368, 70858), (18736, 35429)]