19639607533

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 25231360000

約数和(自身を除く): 5591752467

約数列:

[1, 7, 13, 49, 79, 91, 127, 343, 439, 553, 637, 889, 1027, 1651, 3073, 3871, 4459, 5707, 6223, 7189, 10033, 11557, 21511, 27097, 34681, 39949, 43561, 50323, 55753, 70231, 80899, 130429, 150577, 242767, 279643, 352261, 390271, 450853, 491617, 566293, 724789, 913003, 1699369, 1957501, 2731897, 3155971, 3441319, 4404487, 5073523, 6391021, 11895583, 19123279, 22091797, 30831409, 35514661, 44737147, 57258331, 154642579, 215819863, 248602627, 400808317, 1510739041, 2805658219, 19639607533]

約数ペア:

[(1, 19639607533), (7, 2805658219), (13, 1510739041), (49, 400808317), (79, 248602627), (91, 215819863), (127, 154642579), (343, 57258331), (439, 44737147), (553, 35514661), (637, 30831409), (889, 22091797), (1027, 19123279), (1651, 11895583), (3073, 6391021), (3871, 5073523), (4459, 4404487), (5707, 3441319), (6223, 3155971), (7189, 2731897), (10033, 1957501), (11557, 1699369), (21511, 913003), (27097, 724789), (34681, 566293), (39949, 491617), (43561, 450853), (50323, 390271), (55753, 352261), (70231, 279643), (80899, 242767), (130429, 150577)]