81889976

素因数分解:

$2^3\times 7^2\times {\mathrm{317}}^1\times {\mathrm{659}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 179447400

約数和(自身を除く): 97557424

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 317, 392, 634, 659, 1268, 1318, 2219, 2536, 2636, 4438, 4613, 5272, 8876, 9226, 15533, 17752, 18452, 31066, 32291, 36904, 62132, 64582, 124264, 129164, 208903, 258328, 417806, 835612, 1462321, 1671224, 2924642, 5849284, 10236247, 11698568, 20472494, 40944988, 81889976]

約数ペア:

[(1, 81889976), (2, 40944988), (4, 20472494), (7, 11698568), (8, 10236247), (14, 5849284), (28, 2924642), (49, 1671224), (56, 1462321), (98, 835612), (196, 417806), (317, 258328), (392, 208903), (634, 129164), (659, 124264), (1268, 64582), (1318, 62132), (2219, 36904), (2536, 32291), (2636, 31066), (4438, 18452), (4613, 17752), (5272, 15533), (8876, 9226)]