28179616

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 57335040

約数和(自身を除く): 29155424

約数列:

[1, 2, 4, 8, 16, 32, 71, 79, 142, 157, 158, 284, 314, 316, 568, 628, 632, 1136, 1256, 1264, 2272, 2512, 2528, 5024, 5609, 11147, 11218, 12403, 22294, 22436, 24806, 44588, 44872, 49612, 89176, 89744, 99224, 178352, 179488, 198448, 356704, 396896, 880613, 1761226, 3522452, 7044904, 14089808, 28179616]

約数ペア:

[(1, 28179616), (2, 14089808), (4, 7044904), (8, 3522452), (16, 1761226), (32, 880613), (71, 396896), (79, 356704), (142, 198448), (157, 179488), (158, 178352), (284, 99224), (314, 89744), (316, 89176), (568, 49612), (628, 44872), (632, 44588), (1136, 24806), (1256, 22436), (1264, 22294), (2272, 12403), (2512, 11218), (2528, 11147), (5024, 5609)]