647407512

素因数分解:

$2^3\times 3^3\times {\mathrm{139}}^1\times {\mathrm{21563}}^1$

素因数の和:21717

約数の個数: 64

約数和(自身を含む): 1811376000

約数和(自身を除く): 1163968488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 139, 216, 278, 417, 556, 834, 1112, 1251, 1668, 2502, 3336, 3753, 5004, 7506, 10008, 15012, 21563, 30024, 43126, 64689, 86252, 129378, 172504, 194067, 258756, 388134, 517512, 582201, 776268, 1164402, 1552536, 2328804, 2997257, 4657608, 5994514, 8991771, 11989028, 17983542, 23978056, 26975313, 35967084, 53950626, 71934168, 80925939, 107901252, 161851878, 215802504, 323703756, 647407512]

約数ペア:

[(1, 647407512), (2, 323703756), (3, 215802504), (4, 161851878), (6, 107901252), (8, 80925939), (9, 71934168), (12, 53950626), (18, 35967084), (24, 26975313), (27, 23978056), (36, 17983542), (54, 11989028), (72, 8991771), (108, 5994514), (139, 4657608), (216, 2997257), (278, 2328804), (417, 1552536), (556, 1164402), (834, 776268), (1112, 582201), (1251, 517512), (1668, 388134), (2502, 258756), (3336, 194067), (3753, 172504), (5004, 129378), (7506, 86252), (10008, 64689), (15012, 43126), (21563, 30024)]