291138354

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{647}}^1$

素因数の和:1312

約数の個数: 64

約数和(自身を含む): 698906880

約数和(自身を除く): 407768526

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 641, 647, 702, 1282, 1294, 1923, 1941, 3846, 3882, 5769, 5823, 8333, 8411, 11538, 11646, 16666, 16822, 17307, 17469, 24999, 25233, 34614, 34938, 49998, 50466, 74997, 75699, 149994, 151398, 224991, 227097, 414727, 449982, 454194, 829454, 1244181, 2488362, 3732543, 5391451, 7465086, 10782902, 11197629, 16174353, 22395258, 32348706, 48523059, 97046118, 145569177, 291138354]

約数ペア:

[(1, 291138354), (2, 145569177), (3, 97046118), (6, 48523059), (9, 32348706), (13, 22395258), (18, 16174353), (26, 11197629), (27, 10782902), (39, 7465086), (54, 5391451), (78, 3732543), (117, 2488362), (234, 1244181), (351, 829454), (641, 454194), (647, 449982), (702, 414727), (1282, 227097), (1294, 224991), (1923, 151398), (1941, 149994), (3846, 75699), (3882, 74997), (5769, 50466), (5823, 49998), (8333, 34938), (8411, 34614), (11538, 25233), (11646, 24999), (16666, 17469), (16822, 17307)]