920628

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:356

約数の個数: 36

約数和(自身を含む): 2358720

約数和(自身を除く): 1438092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 239, 321, 428, 478, 642, 717, 956, 963, 1284, 1434, 1926, 2151, 2868, 3852, 4302, 8604, 25573, 51146, 76719, 102292, 153438, 230157, 306876, 460314, 920628]

約数ペア:

[(1, 920628), (2, 460314), (3, 306876), (4, 230157), (6, 153438), (9, 102292), (12, 76719), (18, 51146), (36, 25573), (107, 8604), (214, 4302), (239, 3852), (321, 2868), (428, 2151), (478, 1926), (642, 1434), (717, 1284), (956, 963)]