638052012

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{454453}}^1$

素因数の和:454479

約数の個数: 48

約数和(自身を含む): 1781459680

約数和(自身を除く): 1143407668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 454453, 908906, 1363359, 1817812, 2726718, 4090077, 5453436, 5907889, 8180154, 11815778, 12270231, 16360308, 17723667, 23631556, 24540462, 35447334, 49080924, 53171001, 70894668, 106342002, 159513003, 212684004, 319026006, 638052012]

約数ペア:

[(1, 638052012), (2, 319026006), (3, 212684004), (4, 159513003), (6, 106342002), (9, 70894668), (12, 53171001), (13, 49080924), (18, 35447334), (26, 24540462), (27, 23631556), (36, 17723667), (39, 16360308), (52, 12270231), (54, 11815778), (78, 8180154), (108, 5907889), (117, 5453436), (156, 4090077), (234, 2726718), (351, 1817812), (468, 1363359), (702, 908906), (1404, 454453)]