221254992

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{31357}}^1$

素因数の和:31385

約数の個数: 90

約数和(自身を含む): 720324618

約数和(自身を除く): 499069626

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 31357, 62714, 94071, 125428, 188142, 219499, 250856, 282213, 376284, 438998, 501712, 564426, 658497, 752568, 877996, 1128852, 1316994, 1505136, 1536493, 1755992, 1975491, 2257704, 2633988, 3072986, 3511984, 3950982, 4515408, 4609479, 5267976, 6145972, 7901964, 9218958, 10535952, 12291944, 13828437, 15803928, 18437916, 24583888, 27656874, 31607856, 36875832, 55313748, 73751664, 110627496, 221254992]

約数ペア:

[(1, 221254992), (2, 110627496), (3, 73751664), (4, 55313748), (6, 36875832), (7, 31607856), (8, 27656874), (9, 24583888), (12, 18437916), (14, 15803928), (16, 13828437), (18, 12291944), (21, 10535952), (24, 9218958), (28, 7901964), (36, 6145972), (42, 5267976), (48, 4609479), (49, 4515408), (56, 3950982), (63, 3511984), (72, 3072986), (84, 2633988), (98, 2257704), (112, 1975491), (126, 1755992), (144, 1536493), (147, 1505136), (168, 1316994), (196, 1128852), (252, 877996), (294, 752568), (336, 658497), (392, 564426), (441, 501712), (504, 438998), (588, 376284), (784, 282213), (882, 250856), (1008, 219499), (1176, 188142), (1764, 125428), (2352, 94071), (3528, 62714), (7056, 31357)]