28079565885

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{563}}^1\times {\mathrm{22619}}^1$

素因数の和:23207

約数の個数: 72

約数和(自身を含む): 56720645280

約数和(自身を除く): 28641079395

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 563, 735, 1689, 2205, 2815, 3941, 5067, 8445, 11823, 19705, 22619, 25335, 27587, 35469, 59115, 67857, 82761, 113095, 137935, 158333, 177345, 203571, 248283, 339285, 413805, 474999, 791665, 1017855, 1108331, 1241415, 1424997, 2374995, 3324993, 5541655, 7124985, 9974979, 12734497, 16624965, 38203491, 49874895, 63672485, 89141479, 114610473, 191017455, 267424437, 445707395, 573052365, 623990353, 802273311, 1337122185, 1871971059, 3119951765, 4011366555, 5615913177, 9359855295, 28079565885]

約数ペア:

[(1, 28079565885), (3, 9359855295), (5, 5615913177), (7, 4011366555), (9, 3119951765), (15, 1871971059), (21, 1337122185), (35, 802273311), (45, 623990353), (49, 573052365), (63, 445707395), (105, 267424437), (147, 191017455), (245, 114610473), (315, 89141479), (441, 63672485), (563, 49874895), (735, 38203491), (1689, 16624965), (2205, 12734497), (2815, 9974979), (3941, 7124985), (5067, 5541655), (8445, 3324993), (11823, 2374995), (19705, 1424997), (22619, 1241415), (25335, 1108331), (27587, 1017855), (35469, 791665), (59115, 474999), (67857, 413805), (82761, 339285), (113095, 248283), (137935, 203571), (158333, 177345)]