390996882

素因数分解:

$2^1\times 3^4\times {\mathrm{157}}^1\times {\mathrm{15373}}^1$

素因数の和:15544

約数の個数: 40

約数和(自身を含む): 881760396

約数和(自身を除く): 490763514

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 314, 471, 942, 1413, 2826, 4239, 8478, 12717, 15373, 25434, 30746, 46119, 92238, 138357, 276714, 415071, 830142, 1245213, 2413561, 2490426, 4827122, 7240683, 14481366, 21722049, 43444098, 65166147, 130332294, 195498441, 390996882]

約数ペア:

[(1, 390996882), (2, 195498441), (3, 130332294), (6, 65166147), (9, 43444098), (18, 21722049), (27, 14481366), (54, 7240683), (81, 4827122), (157, 2490426), (162, 2413561), (314, 1245213), (471, 830142), (942, 415071), (1413, 276714), (2826, 138357), (4239, 92238), (8478, 46119), (12717, 30746), (15373, 25434)]