249185285

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{443}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 327352320

約数和(自身を除く): 78167035

約数列:

[1, 5, 19, 31, 95, 155, 191, 443, 589, 955, 2215, 2945, 3629, 5921, 8417, 13733, 18145, 29605, 42085, 68665, 84613, 112499, 260927, 423065, 562495, 1304635, 1607647, 2623003, 8038235, 13115015, 49837057, 249185285]

約数ペア:

[(1, 249185285), (5, 49837057), (19, 13115015), (31, 8038235), (95, 2623003), (155, 1607647), (191, 1304635), (443, 562495), (589, 423065), (955, 260927), (2215, 112499), (2945, 84613), (3629, 68665), (5921, 42085), (8417, 29605), (13733, 18145)]