12870208

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:555

約数の個数: 56

約数和(自身を含む): 28448000

約数和(自身を除く): 15577792

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 499, 806, 832, 992, 998, 1612, 1984, 1996, 3224, 3992, 6448, 6487, 7984, 12896, 12974, 15469, 15968, 25792, 25948, 30938, 31936, 51896, 61876, 103792, 123752, 201097, 207584, 247504, 402194, 415168, 495008, 804388, 990016, 1608776, 3217552, 6435104, 12870208]

約数ペア:

[(1, 12870208), (2, 6435104), (4, 3217552), (8, 1608776), (13, 990016), (16, 804388), (26, 495008), (31, 415168), (32, 402194), (52, 247504), (62, 207584), (64, 201097), (104, 123752), (124, 103792), (208, 61876), (248, 51896), (403, 31936), (416, 30938), (496, 25948), (499, 25792), (806, 15968), (832, 15469), (992, 12974), (998, 12896), (1612, 7984), (1984, 6487), (1996, 6448), (3224, 3992)]