28856725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 38192000

約数和(自身を除く): 9335275

約数列:

[1, 5, 19, 25, 79, 95, 395, 475, 769, 1501, 1975, 3845, 7505, 14611, 19225, 37525, 60751, 73055, 303755, 365275, 1154269, 1518775, 5771345, 28856725]

約数ペア:

[(1, 28856725), (5, 5771345), (19, 1518775), (25, 1154269), (79, 365275), (95, 303755), (395, 73055), (475, 60751), (769, 37525), (1501, 19225), (1975, 14611), (3845, 7505)]