201990428478

素因数分解:

$2^1\times 3^2\times {\mathrm{241}}^1\times {\mathrm{1163}}^1\times {\mathrm{40037}}^1$

素因数の和:41449

約数の個数: 48

約数和(自身を含む): 439850741616

約数和(自身を除く): 237860313138

約数列:

[1, 2, 3, 6, 9, 18, 241, 482, 723, 1163, 1446, 2169, 2326, 3489, 4338, 6978, 10467, 20934, 40037, 80074, 120111, 240222, 280283, 360333, 560566, 720666, 840849, 1681698, 2522547, 5045094, 9648917, 19297834, 28946751, 46563031, 57893502, 86840253, 93126062, 139689093, 173680506, 279378186, 419067279, 838134558, 11221690471, 22443380942, 33665071413, 67330142826, 100995214239, 201990428478]

約数ペア:

[(1, 201990428478), (2, 100995214239), (3, 67330142826), (6, 33665071413), (9, 22443380942), (18, 11221690471), (241, 838134558), (482, 419067279), (723, 279378186), (1163, 173680506), (1446, 139689093), (2169, 93126062), (2326, 86840253), (3489, 57893502), (4338, 46563031), (6978, 28946751), (10467, 19297834), (20934, 9648917), (40037, 5045094), (80074, 2522547), (120111, 1681698), (240222, 840849), (280283, 720666), (360333, 560566)]