31081288

素因数分解:

$2^3\times 7^3\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 69696000

約数和(自身を除く): 38614712

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 241, 329, 343, 376, 392, 482, 658, 686, 964, 1316, 1372, 1687, 1928, 2303, 2632, 2744, 3374, 4606, 6748, 9212, 11327, 11809, 13496, 16121, 18424, 22654, 23618, 32242, 45308, 47236, 64484, 79289, 82663, 90616, 94472, 128968, 158578, 165326, 317156, 330652, 555023, 634312, 661304, 1110046, 2220092, 3885161, 4440184, 7770322, 15540644, 31081288]

約数ペア:

[(1, 31081288), (2, 15540644), (4, 7770322), (7, 4440184), (8, 3885161), (14, 2220092), (28, 1110046), (47, 661304), (49, 634312), (56, 555023), (94, 330652), (98, 317156), (188, 165326), (196, 158578), (241, 128968), (329, 94472), (343, 90616), (376, 82663), (392, 79289), (482, 64484), (658, 47236), (686, 45308), (964, 32242), (1316, 23618), (1372, 22654), (1687, 18424), (1928, 16121), (2303, 13496), (2632, 11809), (2744, 11327), (3374, 9212), (4606, 6748)]