131001472

素因数分解:

$2^7\times 7^1\times {\mathrm{293}}^1\times {\mathrm{499}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 299880000

約数和(自身を除く): 168878528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 293, 448, 499, 586, 896, 998, 1172, 1996, 2051, 2344, 3493, 3992, 4102, 4688, 6986, 7984, 8204, 9376, 13972, 15968, 16408, 18752, 27944, 31936, 32816, 37504, 55888, 63872, 65632, 111776, 131264, 146207, 223552, 262528, 292414, 447104, 584828, 1023449, 1169656, 2046898, 2339312, 4093796, 4678624, 8187592, 9357248, 16375184, 18714496, 32750368, 65500736, 131001472]

約数ペア:

[(1, 131001472), (2, 65500736), (4, 32750368), (7, 18714496), (8, 16375184), (14, 9357248), (16, 8187592), (28, 4678624), (32, 4093796), (56, 2339312), (64, 2046898), (112, 1169656), (128, 1023449), (224, 584828), (293, 447104), (448, 292414), (499, 262528), (586, 223552), (896, 146207), (998, 131264), (1172, 111776), (1996, 65632), (2051, 63872), (2344, 55888), (3493, 37504), (3992, 32816), (4102, 31936), (4688, 27944), (6986, 18752), (7984, 16408), (8204, 15968), (9376, 13972)]