291234671

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{401}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 376040448

約数和(自身を除く): 84805777

約数列:

[1, 7, 13, 23, 91, 161, 299, 347, 401, 2093, 2429, 2807, 4511, 5213, 7981, 9223, 31577, 36491, 55867, 64561, 103753, 119899, 139147, 726271, 839293, 974029, 1808911, 3200381, 12662377, 22402667, 41604953, 291234671]

約数ペア:

[(1, 291234671), (7, 41604953), (13, 22402667), (23, 12662377), (91, 3200381), (161, 1808911), (299, 974029), (347, 839293), (401, 726271), (2093, 139147), (2429, 119899), (2807, 103753), (4511, 64561), (5213, 55867), (7981, 36491), (9223, 31577)]