397859.0000000

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 7115040

約数和(自身を除く): 3535282

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 89, 91, 119, 169, 178, 182, 221, 238, 338, 442, 623, 1157, 1183, 1246, 1513, 1547, 2314, 2366, 2873, 3026, 3094, 5746, 8099, 10591, 15041, 16198, 19669, 20111, 21182, 30082, 39338, 40222, 105287, 137683, 210574, 255697, 275366, 511394, 1789879, 3579758]

約数ペア:

[(1, 3579758), (2, 1789879), (7, 511394), (13, 275366), (14, 255697), (17, 210574), (26, 137683), (34, 105287), (89, 40222), (91, 39338), (119, 30082), (169, 21182), (178, 20111), (182, 19669), (221, 16198), (238, 15041), (338, 10591), (442, 8099), (623, 5746), (1157, 3094), (1183, 3026), (1246, 2873), (1513, 2366), (1547, 2314)]