668052868

素因数分解:

$2^2\times 7^3\times {\mathrm{89}}^1\times {\mathrm{5471}}^1$

素因数の和:5585

約数の個数: 48

約数和(自身を含む): 1378944000

約数和(自身を除く): 710891132

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 343, 356, 623, 686, 1246, 1372, 2492, 4361, 5471, 8722, 10942, 17444, 21884, 30527, 38297, 61054, 76594, 122108, 153188, 268079, 486919, 536158, 973838, 1072316, 1876553, 1947676, 3408433, 3753106, 6816866, 7506212, 13633732, 23859031, 47718062, 95436124, 167013217, 334026434, 668052868]

約数ペア:

[(1, 668052868), (2, 334026434), (4, 167013217), (7, 95436124), (14, 47718062), (28, 23859031), (49, 13633732), (89, 7506212), (98, 6816866), (178, 3753106), (196, 3408433), (343, 1947676), (356, 1876553), (623, 1072316), (686, 973838), (1246, 536158), (1372, 486919), (2492, 268079), (4361, 153188), (5471, 122108), (8722, 76594), (10942, 61054), (17444, 38297), (21884, 30527)]