257477784

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{9419}}^1$

素因数の和:9512

約数の個数: 64

約数和(自身を含む): 691804800

約数和(自身を除く): 434327016

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 67, 68, 102, 134, 136, 201, 204, 268, 402, 408, 536, 804, 1139, 1608, 2278, 3417, 4556, 6834, 9112, 9419, 13668, 18838, 27336, 28257, 37676, 56514, 75352, 113028, 160123, 226056, 320246, 480369, 631073, 640492, 960738, 1262146, 1280984, 1893219, 1921476, 2524292, 3786438, 3842952, 5048584, 7572876, 10728241, 15145752, 21456482, 32184723, 42912964, 64369446, 85825928, 128738892, 257477784]

約数ペア:

[(1, 257477784), (2, 128738892), (3, 85825928), (4, 64369446), (6, 42912964), (8, 32184723), (12, 21456482), (17, 15145752), (24, 10728241), (34, 7572876), (51, 5048584), (67, 3842952), (68, 3786438), (102, 2524292), (134, 1921476), (136, 1893219), (201, 1280984), (204, 1262146), (268, 960738), (402, 640492), (408, 631073), (536, 480369), (804, 320246), (1139, 226056), (1608, 160123), (2278, 113028), (3417, 75352), (4556, 56514), (6834, 37676), (9112, 28257), (9419, 27336), (13668, 18838)]