25907728

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1237}}^1$

素因数の和:1280

約数の個数: 80

約数和(自身を含む): 66317184

約数和(自身を除く): 40409456

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 238, 272, 308, 374, 476, 616, 748, 952, 1232, 1237, 1309, 1496, 1904, 2474, 2618, 2992, 4948, 5236, 8659, 9896, 10472, 13607, 17318, 19792, 20944, 21029, 27214, 34636, 42058, 54428, 69272, 84116, 95249, 108856, 138544, 147203, 168232, 190498, 217712, 231319, 294406, 336464, 380996, 462638, 588812, 761992, 925276, 1177624, 1523984, 1619233, 1850552, 2355248, 3238466, 3701104, 6476932, 12953864, 25907728]

約数ペア:

[(1, 25907728), (2, 12953864), (4, 6476932), (7, 3701104), (8, 3238466), (11, 2355248), (14, 1850552), (16, 1619233), (17, 1523984), (22, 1177624), (28, 925276), (34, 761992), (44, 588812), (56, 462638), (68, 380996), (77, 336464), (88, 294406), (112, 231319), (119, 217712), (136, 190498), (154, 168232), (176, 147203), (187, 138544), (238, 108856), (272, 95249), (308, 84116), (374, 69272), (476, 54428), (616, 42058), (748, 34636), (952, 27214), (1232, 21029), (1237, 20944), (1309, 19792), (1496, 17318), (1904, 13607), (2474, 10472), (2618, 9896), (2992, 8659), (4948, 5236)]