208706735

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2775

約数の個数: 24

約数和(自身を含む): 270570960

約数和(自身を除く): 61864225

約数列:

[1, 5, 19, 43, 95, 215, 361, 817, 1805, 2689, 4085, 13445, 15523, 51091, 77615, 115627, 255455, 578135, 970729, 2196913, 4853645, 10984565, 41741347, 208706735]

約数ペア:

[(1, 208706735), (5, 41741347), (19, 10984565), (43, 4853645), (95, 2196913), (215, 970729), (361, 578135), (817, 255455), (1805, 115627), (2689, 77615), (4085, 51091), (13445, 15523)]