199915264

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1845

約数の個数: 72

約数和(自身を含む): 438560640

約数和(自身を除く): 238645376

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 152, 184, 256, 304, 368, 437, 608, 736, 874, 1216, 1472, 1748, 1787, 2432, 2944, 3496, 3574, 4864, 5888, 6992, 7148, 13984, 14296, 27968, 28592, 33953, 41101, 55936, 57184, 67906, 82202, 111872, 114368, 135812, 164404, 228736, 271624, 328808, 457472, 543248, 657616, 780919, 1086496, 1315232, 1561838, 2172992, 2630464, 3123676, 4345984, 5260928, 6247352, 8691968, 10521856, 12494704, 24989408, 49978816, 99957632, 199915264]

約数ペア:

[(1, 199915264), (2, 99957632), (4, 49978816), (8, 24989408), (16, 12494704), (19, 10521856), (23, 8691968), (32, 6247352), (38, 5260928), (46, 4345984), (64, 3123676), (76, 2630464), (92, 2172992), (128, 1561838), (152, 1315232), (184, 1086496), (256, 780919), (304, 657616), (368, 543248), (437, 457472), (608, 328808), (736, 271624), (874, 228736), (1216, 164404), (1472, 135812), (1748, 114368), (1787, 111872), (2432, 82202), (2944, 67906), (3496, 57184), (3574, 55936), (4864, 41101), (5888, 33953), (6992, 28592), (7148, 27968), (13984, 14296)]