647547492

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{7699}}^1$

素因数の和:7912

約数の個数: 48

約数和(自身を含む): 1555769600

約数和(自身を除く): 908222108

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 163, 172, 258, 326, 489, 516, 652, 978, 1956, 7009, 7699, 14018, 15398, 21027, 23097, 28036, 30796, 42054, 46194, 84108, 92388, 331057, 662114, 993171, 1254937, 1324228, 1986342, 2509874, 3764811, 3972684, 5019748, 7529622, 15059244, 53962291, 107924582, 161886873, 215849164, 323773746, 647547492]

約数ペア:

[(1, 647547492), (2, 323773746), (3, 215849164), (4, 161886873), (6, 107924582), (12, 53962291), (43, 15059244), (86, 7529622), (129, 5019748), (163, 3972684), (172, 3764811), (258, 2509874), (326, 1986342), (489, 1324228), (516, 1254937), (652, 993171), (978, 662114), (1956, 331057), (7009, 92388), (7699, 84108), (14018, 46194), (15398, 42054), (21027, 30796), (23097, 28036)]