218658616

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{1999}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 454860000

約数和(自身を除く): 236201384

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 121, 226, 242, 452, 484, 904, 968, 1243, 1999, 2486, 3998, 4972, 7996, 9944, 13673, 15992, 21989, 27346, 43978, 54692, 87956, 109384, 175912, 225887, 241879, 451774, 483758, 903548, 967516, 1807096, 1935032, 2484757, 4969514, 9939028, 19878056, 27332327, 54664654, 109329308, 218658616]

約数ペア:

[(1, 218658616), (2, 109329308), (4, 54664654), (8, 27332327), (11, 19878056), (22, 9939028), (44, 4969514), (88, 2484757), (113, 1935032), (121, 1807096), (226, 967516), (242, 903548), (452, 483758), (484, 451774), (904, 241879), (968, 225887), (1243, 175912), (1999, 109384), (2486, 87956), (3998, 54692), (4972, 43978), (7996, 27346), (9944, 21989), (13673, 15992)]