82719812

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 170311680

約数和(自身を除く): 87591868

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 239, 263, 329, 478, 526, 658, 956, 1052, 1316, 1673, 1841, 3346, 3682, 6692, 7364, 11233, 12361, 22466, 24722, 44932, 49444, 62857, 78631, 86527, 125714, 157262, 173054, 251428, 314524, 346108, 439999, 879998, 1759996, 2954279, 5908558, 11817116, 20679953, 41359906, 82719812]

約数ペア:

[(1, 82719812), (2, 41359906), (4, 20679953), (7, 11817116), (14, 5908558), (28, 2954279), (47, 1759996), (94, 879998), (188, 439999), (239, 346108), (263, 314524), (329, 251428), (478, 173054), (526, 157262), (658, 125714), (956, 86527), (1052, 78631), (1316, 62857), (1673, 49444), (1841, 44932), (3346, 24722), (3682, 22466), (6692, 12361), (7364, 11233)]