206867725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1619}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 271188000

約数和(自身を除く): 64320275

約数列:

[1, 5, 19, 25, 95, 269, 475, 1345, 1619, 5111, 6725, 8095, 25555, 30761, 40475, 127775, 153805, 435511, 769025, 2177555, 8274709, 10887775, 41373545, 206867725]

約数ペア:

[(1, 206867725), (5, 41373545), (19, 10887775), (25, 8274709), (95, 2177555), (269, 769025), (475, 435511), (1345, 153805), (1619, 127775), (5111, 40475), (6725, 30761), (8095, 25555)]