401292

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 36

約数和(自身を含む): 1035216

約数和(自身を除く): 633924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 157, 213, 284, 314, 426, 471, 628, 639, 852, 942, 1278, 1413, 1884, 2556, 2826, 5652, 11147, 22294, 33441, 44588, 66882, 100323, 133764, 200646, 401292]

約数ペア:

[(1, 401292), (2, 200646), (3, 133764), (4, 100323), (6, 66882), (9, 44588), (12, 33441), (18, 22294), (36, 11147), (71, 5652), (142, 2826), (157, 2556), (213, 1884), (284, 1413), (314, 1278), (426, 942), (471, 852), (628, 639)]