2783109890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1\times {\mathrm{26717}}^1$

素因数の和:27682

約数の個数: 32

約数和(自身を含む): 5470991424

約数和(自身を除く): 2687881534

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 947, 1894, 4735, 9470, 10417, 20834, 26717, 52085, 53434, 104170, 133585, 267170, 293887, 587774, 1469435, 2938870, 25300999, 50601998, 126504995, 253009990, 278310989, 556621978, 1391554945, 2783109890]

約数ペア:

[(1, 2783109890), (2, 1391554945), (5, 556621978), (10, 278310989), (11, 253009990), (22, 126504995), (55, 50601998), (110, 25300999), (947, 2938870), (1894, 1469435), (4735, 587774), (9470, 293887), (10417, 267170), (20834, 133585), (26717, 104170), (52085, 53434)]