28156780836

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1279}}^1\times {\mathrm{6871}}^1$

素因数の和:8249

約数の個数: 72

約数和(自身を含む): 72040550400

約数和(自身を除く): 43883769564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1279, 1602, 2558, 3204, 3837, 5116, 6871, 7674, 11511, 13742, 15348, 20613, 23022, 27484, 41226, 46044, 61839, 82452, 113831, 123678, 227662, 247356, 341493, 455324, 611519, 682986, 1024479, 1223038, 1365972, 1834557, 2048958, 2446076, 3669114, 4097916, 5503671, 7338228, 8788009, 11007342, 17576018, 22014684, 26364027, 35152036, 52728054, 79092081, 105456108, 158184162, 316368324, 782132801, 1564265602, 2346398403, 3128531204, 4692796806, 7039195209, 9385593612, 14078390418, 28156780836]

約数ペア:

[(1, 28156780836), (2, 14078390418), (3, 9385593612), (4, 7039195209), (6, 4692796806), (9, 3128531204), (12, 2346398403), (18, 1564265602), (36, 782132801), (89, 316368324), (178, 158184162), (267, 105456108), (356, 79092081), (534, 52728054), (801, 35152036), (1068, 26364027), (1279, 22014684), (1602, 17576018), (2558, 11007342), (3204, 8788009), (3837, 7338228), (5116, 5503671), (6871, 4097916), (7674, 3669114), (11511, 2446076), (13742, 2048958), (15348, 1834557), (20613, 1365972), (23022, 1223038), (27484, 1024479), (41226, 682986), (46044, 611519), (61839, 455324), (82452, 341493), (113831, 247356), (123678, 227662)]