397173688

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{28549}}^1$

素因数の和:28639

約数の個数: 32

約数和(自身を含む): 781128000

約数和(自身を除く): 383954312

約数列:

[1, 2, 4, 8, 37, 47, 74, 94, 148, 188, 296, 376, 1739, 3478, 6956, 13912, 28549, 57098, 114196, 228392, 1056313, 1341803, 2112626, 2683606, 4225252, 5367212, 8450504, 10734424, 49646711, 99293422, 198586844, 397173688]

約数ペア:

[(1, 397173688), (2, 198586844), (4, 99293422), (8, 49646711), (37, 10734424), (47, 8450504), (74, 5367212), (94, 4225252), (148, 2683606), (188, 2112626), (296, 1341803), (376, 1056313), (1739, 228392), (3478, 114196), (6956, 57098), (13912, 28549)]