1109912072

素因数分解:

$2^3\times {\mathrm{991}}^1\times {\mathrm{139999}}^1$

素因数の和:140996

約数の個数: 16

約数和(自身を含む): 2083200000

約数和(自身を除く): 973287928

約数列:

[1, 2, 4, 8, 991, 1982, 3964, 7928, 139999, 279998, 559996, 1119992, 138739009, 277478018, 554956036, 1109912072]

約数ペア:

[(1, 1109912072), (2, 554956036), (4, 277478018), (8, 138739009), (991, 1119992), (1982, 559996), (3964, 279998), (7928, 139999)]