81504208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2251}}^1$

素因数の和:2363

約数の個数: 40

約数和(自身を含む): 165314816

約数和(自身を除く): 83810608

約数列:

[1, 2, 4, 8, 16, 31, 62, 73, 124, 146, 248, 292, 496, 584, 1168, 2251, 2263, 4502, 4526, 9004, 9052, 18008, 18104, 36016, 36208, 69781, 139562, 164323, 279124, 328646, 558248, 657292, 1116496, 1314584, 2629168, 5094013, 10188026, 20376052, 40752104, 81504208]

約数ペア:

[(1, 81504208), (2, 40752104), (4, 20376052), (8, 10188026), (16, 5094013), (31, 2629168), (62, 1314584), (73, 1116496), (124, 657292), (146, 558248), (248, 328646), (292, 279124), (496, 164323), (584, 139562), (1168, 69781), (2251, 36208), (2263, 36016), (4502, 18104), (4526, 18008), (9004, 9052)]