641298756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{85781}}^1$

素因数の和:85884

約数の個数: 48

約数和(自身を含む): 1729365120

約数和(自身を除く): 1088066364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 3738, 7476, 85781, 171562, 257343, 343124, 514686, 600467, 1029372, 1200934, 1801401, 2401868, 3602802, 7205604, 7634509, 15269018, 22903527, 30538036, 45807054, 53441563, 91614108, 106883126, 160324689, 213766252, 320649378, 641298756]

約数ペア:

[(1, 641298756), (2, 320649378), (3, 213766252), (4, 160324689), (6, 106883126), (7, 91614108), (12, 53441563), (14, 45807054), (21, 30538036), (28, 22903527), (42, 15269018), (84, 7634509), (89, 7205604), (178, 3602802), (267, 2401868), (356, 1801401), (534, 1200934), (623, 1029372), (1068, 600467), (1246, 514686), (1869, 343124), (2492, 257343), (3738, 171562), (7476, 85781)]