891170072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{450997}}^1$

素因数の和:451035

約数の個数: 32

約数和(自身を含む): 1894191600

約数和(自身を除く): 1003021528

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 450997, 901994, 1803988, 3607976, 5862961, 8568943, 11725922, 17137886, 23451844, 34275772, 46903688, 68551544, 111396259, 222792518, 445585036, 891170072]

約数ペア:

[(1, 891170072), (2, 445585036), (4, 222792518), (8, 111396259), (13, 68551544), (19, 46903688), (26, 34275772), (38, 23451844), (52, 17137886), (76, 11725922), (104, 8568943), (152, 5862961), (247, 3607976), (494, 1803988), (988, 901994), (1976, 450997)]