218860172

素因数分解:

$2^2\times {\mathrm{211}}^1\times {\mathrm{257}}^1\times {\mathrm{1009}}^1$

素因数の和:1481

約数の個数: 24

約数和(自身を含む): 386700720

約数和(自身を除く): 167840548

約数列:

[1, 2, 4, 211, 257, 422, 514, 844, 1009, 1028, 2018, 4036, 54227, 108454, 212899, 216908, 259313, 425798, 518626, 851596, 1037252, 54715043, 109430086, 218860172]

約数ペア:

[(1, 218860172), (2, 109430086), (4, 54715043), (211, 1037252), (257, 851596), (422, 518626), (514, 425798), (844, 259313), (1009, 216908), (1028, 212899), (2018, 108454), (4036, 54227)]