988778888

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1987}}^1\times {\mathrm{3659}}^1$

素因数の和:5669

約数の個数: 32

約数和(自身を含む): 1964541600

約数和(自身を除く): 975762712

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1987, 3659, 3974, 7318, 7948, 14636, 15896, 29272, 33779, 62203, 67558, 124406, 135116, 248812, 270232, 497624, 7270433, 14540866, 29081732, 58163464, 123597361, 247194722, 494389444, 988778888]

約数ペア:

[(1, 988778888), (2, 494389444), (4, 247194722), (8, 123597361), (17, 58163464), (34, 29081732), (68, 14540866), (136, 7270433), (1987, 497624), (3659, 270232), (3974, 248812), (7318, 135116), (7948, 124406), (14636, 67558), (15896, 62203), (29272, 33779)]