205657712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 444554880

約数和(自身を除く): 238897168

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 109, 188, 193, 208, 218, 376, 386, 436, 611, 752, 772, 872, 1222, 1417, 1544, 1744, 2444, 2509, 2834, 3088, 4888, 5018, 5123, 5668, 9071, 9776, 10036, 10246, 11336, 18142, 20072, 20492, 21037, 22672, 36284, 40144, 40984, 42074, 66599, 72568, 81968, 84148, 117923, 133198, 145136, 168296, 235846, 266396, 273481, 336592, 471692, 532792, 546962, 943384, 988739, 1065584, 1093924, 1886768, 1977478, 2187848, 3954956, 4375696, 7909912, 12853607, 15819824, 25707214, 51414428, 102828856, 205657712]

約数ペア:

[(1, 205657712), (2, 102828856), (4, 51414428), (8, 25707214), (13, 15819824), (16, 12853607), (26, 7909912), (47, 4375696), (52, 3954956), (94, 2187848), (104, 1977478), (109, 1886768), (188, 1093924), (193, 1065584), (208, 988739), (218, 943384), (376, 546962), (386, 532792), (436, 471692), (611, 336592), (752, 273481), (772, 266396), (872, 235846), (1222, 168296), (1417, 145136), (1544, 133198), (1744, 117923), (2444, 84148), (2509, 81968), (2834, 72568), (3088, 66599), (4888, 42074), (5018, 40984), (5123, 40144), (5668, 36284), (9071, 22672), (9776, 21037), (10036, 20492), (10246, 20072), (11336, 18142)]