28868105

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 43338240

約数和(自身を除く): 14470135

約数列:

[1, 5, 7, 23, 35, 47, 49, 109, 115, 161, 235, 245, 329, 545, 763, 805, 1081, 1127, 1645, 2303, 2507, 3815, 5123, 5341, 5405, 5635, 7567, 11515, 12535, 17549, 25615, 26705, 35861, 37835, 52969, 87745, 117829, 122843, 179305, 251027, 264845, 589145, 614215, 824803, 1255135, 4124015, 5773621, 28868105]

約数ペア:

[(1, 28868105), (5, 5773621), (7, 4124015), (23, 1255135), (35, 824803), (47, 614215), (49, 589145), (109, 264845), (115, 251027), (161, 179305), (235, 122843), (245, 117829), (329, 87745), (545, 52969), (763, 37835), (805, 35861), (1081, 26705), (1127, 25615), (1645, 17549), (2303, 12535), (2507, 11515), (3815, 7567), (5123, 5635), (5341, 5405)]