780580528

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{821}}^1$

素因数の和:1502

約数の個数: 80

約数和(自身を含む): 1866505536

約数和(自身を除く): 1085925008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 653, 728, 821, 1306, 1456, 1642, 2612, 3284, 4571, 5224, 5747, 6568, 8489, 9142, 10448, 10673, 11494, 13136, 16978, 18284, 21346, 22988, 33956, 36568, 42692, 45976, 59423, 67912, 73136, 74711, 85384, 91952, 118846, 135824, 149422, 170768, 237692, 298844, 475384, 536113, 597688, 950768, 1072226, 1195376, 2144452, 3752791, 4288904, 6969469, 7505582, 8577808, 13938938, 15011164, 27877876, 30022328, 48786283, 55755752, 60044656, 97572566, 111511504, 195145132, 390290264, 780580528]

約数ペア:

[(1, 780580528), (2, 390290264), (4, 195145132), (7, 111511504), (8, 97572566), (13, 60044656), (14, 55755752), (16, 48786283), (26, 30022328), (28, 27877876), (52, 15011164), (56, 13938938), (91, 8577808), (104, 7505582), (112, 6969469), (182, 4288904), (208, 3752791), (364, 2144452), (653, 1195376), (728, 1072226), (821, 950768), (1306, 597688), (1456, 536113), (1642, 475384), (2612, 298844), (3284, 237692), (4571, 170768), (5224, 149422), (5747, 135824), (6568, 118846), (8489, 91952), (9142, 85384), (10448, 74711), (10673, 73136), (11494, 67912), (13136, 59423), (16978, 45976), (18284, 42692), (21346, 36568), (22988, 33956)]