259642006

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{1187}}^1$

素因数の和:1428

約数の個数: 32

約数和(自身を含む): 431101440

約数和(自身を除く): 171459434

約数列:

[1, 2, 13, 26, 47, 94, 179, 358, 611, 1187, 1222, 2327, 2374, 4654, 8413, 15431, 16826, 30862, 55789, 109369, 111578, 212473, 218738, 424946, 725257, 1450514, 2762149, 5524298, 9986231, 19972462, 129821003, 259642006]

約数ペア:

[(1, 259642006), (2, 129821003), (13, 19972462), (26, 9986231), (47, 5524298), (94, 2762149), (179, 1450514), (358, 725257), (611, 424946), (1187, 218738), (1222, 212473), (2327, 111578), (2374, 109369), (4654, 55789), (8413, 30862), (15431, 16826)]