15779995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2411}}^1$

素因数の和:2451

約数の個数: 32

約数和(自身を含む): 25007616

約数和(自身を除く): 9227621

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 2411, 6545, 12055, 16877, 26521, 40987, 84385, 132605, 185647, 204935, 286909, 450857, 928235, 1434545, 2254285, 3155999, 15779995]

約数ペア:

[(1, 15779995), (5, 3155999), (7, 2254285), (11, 1434545), (17, 928235), (35, 450857), (55, 286909), (77, 204935), (85, 185647), (119, 132605), (187, 84385), (385, 40987), (595, 26521), (935, 16877), (1309, 12055), (2411, 6545)]