221876568

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^2\times {\mathrm{2251}}^1$

素因数の和:2337

約数の個数: 72

約数和(自身を含む): 617869980

約数和(自身を除く): 395993412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 1369, 2251, 2664, 2738, 4107, 4502, 5476, 6753, 8214, 9004, 10952, 12321, 13506, 16428, 18008, 20259, 24642, 27012, 32856, 40518, 49284, 54024, 81036, 83287, 98568, 162072, 166574, 249861, 333148, 499722, 666296, 749583, 999444, 1499166, 1998888, 2998332, 3081619, 5996664, 6163238, 9244857, 12326476, 18489714, 24652952, 27734571, 36979428, 55469142, 73958856, 110938284, 221876568]

約数ペア:

[(1, 221876568), (2, 110938284), (3, 73958856), (4, 55469142), (6, 36979428), (8, 27734571), (9, 24652952), (12, 18489714), (18, 12326476), (24, 9244857), (36, 6163238), (37, 5996664), (72, 3081619), (74, 2998332), (111, 1998888), (148, 1499166), (222, 999444), (296, 749583), (333, 666296), (444, 499722), (666, 333148), (888, 249861), (1332, 166574), (1369, 162072), (2251, 98568), (2664, 83287), (2738, 81036), (4107, 54024), (4502, 49284), (5476, 40518), (6753, 32856), (8214, 27012), (9004, 24642), (10952, 20259), (12321, 18008), (13506, 16428)]