12988556576

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{653}}^1\times {\mathrm{20051}}^1$

素因数の和:20745

約数の個数: 48

約数和(自身を含む): 26437840128

約数和(自身を除く): 13449283552

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 653, 992, 1306, 2612, 5224, 10448, 20051, 20243, 20896, 40102, 40486, 80204, 80972, 160408, 161944, 320816, 323888, 621581, 641632, 647776, 1243162, 2486324, 4972648, 9945296, 13093303, 19890592, 26186606, 52373212, 104746424, 209492848, 405892393, 418985696, 811784786, 1623569572, 3247139144, 6494278288, 12988556576]

約数ペア:

[(1, 12988556576), (2, 6494278288), (4, 3247139144), (8, 1623569572), (16, 811784786), (31, 418985696), (32, 405892393), (62, 209492848), (124, 104746424), (248, 52373212), (496, 26186606), (653, 19890592), (992, 13093303), (1306, 9945296), (2612, 4972648), (5224, 2486324), (10448, 1243162), (20051, 647776), (20243, 641632), (20896, 621581), (40102, 323888), (40486, 320816), (80204, 161944), (80972, 160408)]