55249775

素因数分解:

$5^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{643}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 78578304

約数和(自身を除く): 23328529

約数列:

[1, 5, 7, 25, 35, 175, 491, 643, 2455, 3215, 3437, 4501, 12275, 16075, 17185, 22505, 85925, 112525, 315713, 1578565, 2209991, 7892825, 11049955, 55249775]

約数ペア:

[(1, 55249775), (5, 11049955), (7, 7892825), (25, 2209991), (35, 1578565), (175, 315713), (491, 112525), (643, 85925), (2455, 22505), (3215, 17185), (3437, 16075), (4501, 12275)]