1390447712

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{15749}}^1$

素因数の和:15879

約数の個数: 48

約数和(自身を含む): 2857680000

約数和(自身を除く): 1467232288

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 89, 124, 178, 248, 356, 496, 712, 992, 1424, 2759, 2848, 5518, 11036, 15749, 22072, 31498, 44144, 62996, 88288, 125992, 251984, 488219, 503968, 976438, 1401661, 1952876, 2803322, 3905752, 5606644, 7811504, 11213288, 15623008, 22426576, 43451491, 44853152, 86902982, 173805964, 347611928, 695223856, 1390447712]

約数ペア:

[(1, 1390447712), (2, 695223856), (4, 347611928), (8, 173805964), (16, 86902982), (31, 44853152), (32, 43451491), (62, 22426576), (89, 15623008), (124, 11213288), (178, 7811504), (248, 5606644), (356, 3905752), (496, 2803322), (712, 1952876), (992, 1401661), (1424, 976438), (2759, 503968), (2848, 488219), (5518, 251984), (11036, 125992), (15749, 88288), (22072, 62996), (31498, 44144)]