251968496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1699}}^1$

素因数の和:1774

約数の個数: 80

約数和(自身を含む): 566630400

約数和(自身を除く): 314661904

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 46, 52, 62, 92, 104, 124, 184, 208, 248, 299, 368, 403, 496, 598, 713, 806, 1196, 1426, 1612, 1699, 2392, 2852, 3224, 3398, 4784, 5704, 6448, 6796, 9269, 11408, 13592, 18538, 22087, 27184, 37076, 39077, 44174, 52669, 74152, 78154, 88348, 105338, 148304, 156308, 176696, 210676, 312616, 353392, 421352, 508001, 625232, 684697, 842704, 1016002, 1211387, 1369394, 2032004, 2422774, 2738788, 4064008, 4845548, 5477576, 8128016, 9691096, 10955152, 15748031, 19382192, 31496062, 62992124, 125984248, 251968496]

約数ペア:

[(1, 251968496), (2, 125984248), (4, 62992124), (8, 31496062), (13, 19382192), (16, 15748031), (23, 10955152), (26, 9691096), (31, 8128016), (46, 5477576), (52, 4845548), (62, 4064008), (92, 2738788), (104, 2422774), (124, 2032004), (184, 1369394), (208, 1211387), (248, 1016002), (299, 842704), (368, 684697), (403, 625232), (496, 508001), (598, 421352), (713, 353392), (806, 312616), (1196, 210676), (1426, 176696), (1612, 156308), (1699, 148304), (2392, 105338), (2852, 88348), (3224, 78154), (3398, 74152), (4784, 52669), (5704, 44174), (6448, 39077), (6796, 37076), (9269, 27184), (11408, 22087), (13592, 18538)]