27808428

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 66576384

約数和(自身を除く): 38767956

約数列:

[1, 2, 3, 4, 6, 12, 71, 127, 142, 213, 254, 257, 284, 381, 426, 508, 514, 762, 771, 852, 1028, 1524, 1542, 3084, 9017, 18034, 18247, 27051, 32639, 36068, 36494, 54102, 54741, 65278, 72988, 97917, 108204, 109482, 130556, 195834, 218964, 391668, 2317369, 4634738, 6952107, 9269476, 13904214, 27808428]

約数ペア:

[(1, 27808428), (2, 13904214), (3, 9269476), (4, 6952107), (6, 4634738), (12, 2317369), (71, 391668), (127, 218964), (142, 195834), (213, 130556), (254, 109482), (257, 108204), (284, 97917), (381, 72988), (426, 65278), (508, 54741), (514, 54102), (762, 36494), (771, 36068), (852, 32639), (1028, 27051), (1524, 18247), (1542, 18034), (3084, 9017)]