220684986

素因数分解:

$2^1\times 3^4\times {\mathrm{73}}^1\times {\mathrm{18661}}^1$

素因数の和:18748

約数の個数: 40

約数和(自身を含む): 501298644

約数和(自身を除く): 280613658

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 438, 657, 1314, 1971, 3942, 5913, 11826, 18661, 37322, 55983, 111966, 167949, 335898, 503847, 1007694, 1362253, 1511541, 2724506, 3023082, 4086759, 8173518, 12260277, 24520554, 36780831, 73561662, 110342493, 220684986]

約数ペア:

[(1, 220684986), (2, 110342493), (3, 73561662), (6, 36780831), (9, 24520554), (18, 12260277), (27, 8173518), (54, 4086759), (73, 3023082), (81, 2724506), (146, 1511541), (162, 1362253), (219, 1007694), (438, 503847), (657, 335898), (1314, 167949), (1971, 111966), (3942, 55983), (5913, 37322), (11826, 18661)]