199989136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{13997}}^1$

素因数の和:14071

約数の個数: 40

約数和(自身を含む): 416580480

約数和(自身を除く): 216591344

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 3572, 7144, 13997, 14288, 27994, 55988, 111976, 223952, 265943, 531886, 657859, 1063772, 1315718, 2127544, 2631436, 4255088, 5262872, 10525744, 12499321, 24998642, 49997284, 99994568, 199989136]

約数ペア:

[(1, 199989136), (2, 99994568), (4, 49997284), (8, 24998642), (16, 12499321), (19, 10525744), (38, 5262872), (47, 4255088), (76, 2631436), (94, 2127544), (152, 1315718), (188, 1063772), (304, 657859), (376, 531886), (752, 265943), (893, 223952), (1786, 111976), (3572, 55988), (7144, 27994), (13997, 14288)]