25369828

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 53089344

約数和(自身を除く): 27719516

約数列:

[1, 2, 4, 11, 22, 23, 43, 44, 46, 53, 86, 92, 106, 121, 172, 212, 242, 253, 473, 484, 506, 583, 946, 989, 1012, 1166, 1219, 1892, 1978, 2279, 2332, 2438, 2783, 3956, 4558, 4876, 5203, 5566, 6413, 9116, 10406, 10879, 11132, 12826, 13409, 20812, 21758, 25069, 25652, 26818, 43516, 50138, 52417, 53636, 100276, 104834, 119669, 147499, 209668, 239338, 275759, 294998, 478676, 551518, 576587, 589996, 1103036, 1153174, 2306348, 6342457, 12684914, 25369828]

約数ペア:

[(1, 25369828), (2, 12684914), (4, 6342457), (11, 2306348), (22, 1153174), (23, 1103036), (43, 589996), (44, 576587), (46, 551518), (53, 478676), (86, 294998), (92, 275759), (106, 239338), (121, 209668), (172, 147499), (212, 119669), (242, 104834), (253, 100276), (473, 53636), (484, 52417), (506, 50138), (583, 43516), (946, 26818), (989, 25652), (1012, 25069), (1166, 21758), (1219, 20812), (1892, 13409), (1978, 12826), (2279, 11132), (2332, 10879), (2438, 10406), (2783, 9116), (3956, 6413), (4558, 5566), (4876, 5203)]