221840408

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{5477}}^1$

素因数の和:5627

約数の個数: 32

約数和(自身を含む): 427941360

約数和(自身を除く): 206100952

約数列:

[1, 2, 4, 8, 61, 83, 122, 166, 244, 332, 488, 664, 5063, 5477, 10126, 10954, 20252, 21908, 40504, 43816, 334097, 454591, 668194, 909182, 1336388, 1818364, 2672776, 3636728, 27730051, 55460102, 110920204, 221840408]

約数ペア:

[(1, 221840408), (2, 110920204), (4, 55460102), (8, 27730051), (61, 3636728), (83, 2672776), (122, 1818364), (166, 1336388), (244, 909182), (332, 668194), (488, 454591), (664, 334097), (5063, 43816), (5477, 40504), (10126, 21908), (10954, 20252)]