221969956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2683}}^1$

素因数の和:2780

約数の個数: 48

約数和(自身を含む): 439789504

約数和(自身を除く): 217819548

約数列:

[1, 2, 4, 13, 26, 37, 43, 52, 74, 86, 148, 172, 481, 559, 962, 1118, 1591, 1924, 2236, 2683, 3182, 5366, 6364, 10732, 20683, 34879, 41366, 69758, 82732, 99271, 115369, 139516, 198542, 230738, 397084, 461476, 1290523, 1499797, 2581046, 2999594, 4268653, 5162092, 5999188, 8537306, 17074612, 55492489, 110984978, 221969956]

約数ペア:

[(1, 221969956), (2, 110984978), (4, 55492489), (13, 17074612), (26, 8537306), (37, 5999188), (43, 5162092), (52, 4268653), (74, 2999594), (86, 2581046), (148, 1499797), (172, 1290523), (481, 461476), (559, 397084), (962, 230738), (1118, 198542), (1591, 139516), (1924, 115369), (2236, 99271), (2683, 82732), (3182, 69758), (5366, 41366), (6364, 34879), (10732, 20683)]