209168316

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{15661}}^1$

素因数の和:15731

約数の個数: 72

約数和(自身を含む): 615704544

約数和(自身を除く): 406536228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1908, 2226, 3339, 4452, 6678, 13356, 15661, 31322, 46983, 62644, 93966, 109627, 140949, 187932, 219254, 281898, 328881, 438508, 563796, 657762, 830033, 986643, 1315524, 1660066, 1973286, 2490099, 3320132, 3946572, 4980198, 5810231, 7470297, 9960396, 11620462, 14940594, 17430693, 23240924, 29881188, 34861386, 52292079, 69722772, 104584158, 209168316]

約数ペア:

[(1, 209168316), (2, 104584158), (3, 69722772), (4, 52292079), (6, 34861386), (7, 29881188), (9, 23240924), (12, 17430693), (14, 14940594), (18, 11620462), (21, 9960396), (28, 7470297), (36, 5810231), (42, 4980198), (53, 3946572), (63, 3320132), (84, 2490099), (106, 1973286), (126, 1660066), (159, 1315524), (212, 986643), (252, 830033), (318, 657762), (371, 563796), (477, 438508), (636, 328881), (742, 281898), (954, 219254), (1113, 187932), (1484, 140949), (1908, 109627), (2226, 93966), (3339, 62644), (4452, 46983), (6678, 31322), (13356, 15661)]