71665992

素因数分解:

$2^3\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1291}}^1$

素因数の和:1563

約数の個数: 64

約数和(自身を含む): 200001600

約数和(自身を除く): 128335608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 257, 514, 771, 1028, 1291, 1542, 2056, 2313, 2582, 3084, 3873, 4626, 5164, 6168, 6939, 7746, 9252, 10328, 11619, 13878, 15492, 18504, 23238, 27756, 30984, 34857, 46476, 55512, 69714, 92952, 139428, 278856, 331787, 663574, 995361, 1327148, 1990722, 2654296, 2986083, 3981444, 5972166, 7962888, 8958249, 11944332, 17916498, 23888664, 35832996, 71665992]

約数ペア:

[(1, 71665992), (2, 35832996), (3, 23888664), (4, 17916498), (6, 11944332), (8, 8958249), (9, 7962888), (12, 5972166), (18, 3981444), (24, 2986083), (27, 2654296), (36, 1990722), (54, 1327148), (72, 995361), (108, 663574), (216, 331787), (257, 278856), (514, 139428), (771, 92952), (1028, 69714), (1291, 55512), (1542, 46476), (2056, 34857), (2313, 30984), (2582, 27756), (3084, 23238), (3873, 18504), (4626, 15492), (5164, 13878), (6168, 11619), (6939, 10328), (7746, 9252)]