220186687

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 274176000

約数和(自身を除く): 53989313

約数列:

[1, 7, 19, 41, 133, 149, 271, 287, 779, 1043, 1897, 2831, 5149, 5453, 6109, 11111, 19817, 36043, 40379, 42763, 77777, 116071, 211109, 282653, 767201, 812497, 1477763, 1655539, 5370407, 11588773, 31455241, 220186687]

約数ペア:

[(1, 220186687), (7, 31455241), (19, 11588773), (41, 5370407), (133, 1655539), (149, 1477763), (271, 812497), (287, 767201), (779, 282653), (1043, 211109), (1897, 116071), (2831, 77777), (5149, 42763), (5453, 40379), (6109, 36043), (11111, 19817)]