51581628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2591}}^1$

素因数の和:2687

約数の個数: 72

約数和(自身を含む): 150958080

約数和(自身を除く): 99376452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1106, 1422, 1659, 2212, 2591, 2844, 3318, 4977, 5182, 6636, 7773, 9954, 10364, 15546, 18137, 19908, 23319, 31092, 36274, 46638, 54411, 72548, 93276, 108822, 163233, 204689, 217644, 326466, 409378, 614067, 652932, 818756, 1228134, 1432823, 1842201, 2456268, 2865646, 3684402, 4298469, 5731292, 7368804, 8596938, 12895407, 17193876, 25790814, 51581628]

約数ペア:

[(1, 51581628), (2, 25790814), (3, 17193876), (4, 12895407), (6, 8596938), (7, 7368804), (9, 5731292), (12, 4298469), (14, 3684402), (18, 2865646), (21, 2456268), (28, 1842201), (36, 1432823), (42, 1228134), (63, 818756), (79, 652932), (84, 614067), (126, 409378), (158, 326466), (237, 217644), (252, 204689), (316, 163233), (474, 108822), (553, 93276), (711, 72548), (948, 54411), (1106, 46638), (1422, 36274), (1659, 31092), (2212, 23319), (2591, 19908), (2844, 18137), (3318, 15546), (4977, 10364), (5182, 9954), (6636, 7773)]