39995816

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 89376000

約数和(自身を除く): 49380184

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 97, 148, 194, 199, 259, 296, 388, 398, 518, 679, 776, 796, 1036, 1358, 1393, 1592, 2072, 2716, 2786, 3589, 5432, 5572, 7178, 7363, 11144, 14356, 14726, 19303, 25123, 28712, 29452, 38606, 50246, 51541, 58904, 77212, 100492, 103082, 135121, 154424, 200984, 206164, 270242, 412328, 540484, 714211, 1080968, 1428422, 2856844, 4999477, 5713688, 9998954, 19997908, 39995816]

約数ペア:

[(1, 39995816), (2, 19997908), (4, 9998954), (7, 5713688), (8, 4999477), (14, 2856844), (28, 1428422), (37, 1080968), (56, 714211), (74, 540484), (97, 412328), (148, 270242), (194, 206164), (199, 200984), (259, 154424), (296, 135121), (388, 103082), (398, 100492), (518, 77212), (679, 58904), (776, 51541), (796, 50246), (1036, 38606), (1358, 29452), (1393, 28712), (1592, 25123), (2072, 19303), (2716, 14726), (2786, 14356), (3589, 11144), (5432, 7363), (5572, 7178)]