205804516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{23831}}^1$

素因数の和:23979

約数の個数: 24

約数和(自身を含む): 384362496

約数和(自身を除く): 178557980

約数列:

[1, 2, 4, 17, 34, 68, 127, 254, 508, 2159, 4318, 8636, 23831, 47662, 95324, 405127, 810254, 1620508, 3026537, 6053074, 12106148, 51451129, 102902258, 205804516]

約数ペア:

[(1, 205804516), (2, 102902258), (4, 51451129), (17, 12106148), (34, 6053074), (68, 3026537), (127, 1620508), (254, 810254), (508, 405127), (2159, 95324), (4318, 47662), (8636, 23831)]