406019978

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{757}}^1$

素因数の和:1207

約数の個数: 48

約数和(自身を含む): 765783144

約数和(自身を除く): 359763166

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 421, 637, 757, 842, 1274, 1514, 2947, 5299, 5473, 5894, 9841, 10598, 10946, 19682, 20629, 37093, 38311, 41258, 68887, 74186, 76622, 137774, 268177, 318697, 482209, 536354, 637394, 964418, 2230879, 4143061, 4461758, 8286122, 15616153, 29001427, 31232306, 58002854, 203009989, 406019978]

約数ペア:

[(1, 406019978), (2, 203009989), (7, 58002854), (13, 31232306), (14, 29001427), (26, 15616153), (49, 8286122), (91, 4461758), (98, 4143061), (182, 2230879), (421, 964418), (637, 637394), (757, 536354), (842, 482209), (1274, 318697), (1514, 268177), (2947, 137774), (5299, 76622), (5473, 74186), (5894, 68887), (9841, 41258), (10598, 38311), (10946, 37093), (19682, 20629)]