1577881564

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1\times {\mathrm{1657}}^1$

素因数の和:2218

約数の個数: 48

約数和(自身を含む): 3208826880

約数和(自身を除く): 1630945316

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 479, 497, 958, 994, 1657, 1916, 1988, 3314, 3353, 6628, 6706, 11599, 13412, 23198, 34009, 46396, 68018, 117647, 136036, 235294, 238063, 470588, 476126, 793703, 823529, 952252, 1587406, 1647058, 3174812, 3294116, 5555921, 11111842, 22223684, 56352913, 112705826, 225411652, 394470391, 788940782, 1577881564]

約数ペア:

[(1, 1577881564), (2, 788940782), (4, 394470391), (7, 225411652), (14, 112705826), (28, 56352913), (71, 22223684), (142, 11111842), (284, 5555921), (479, 3294116), (497, 3174812), (958, 1647058), (994, 1587406), (1657, 952252), (1916, 823529), (1988, 793703), (3314, 476126), (3353, 470588), (6628, 238063), (6706, 235294), (11599, 136036), (13412, 117647), (23198, 68018), (34009, 46396)]