81021664

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{41507}}^1$

素因数の和:41578

約数の個数: 24

約数和(自身を含む): 162130248

約数和(自身を除く): 81108584

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 41507, 83014, 166028, 332056, 664112, 1328224, 2531927, 5063854, 10127708, 20255416, 40510832, 81021664]

約数ペア:

[(1, 81021664), (2, 40510832), (4, 20255416), (8, 10127708), (16, 5063854), (32, 2531927), (61, 1328224), (122, 664112), (244, 332056), (488, 166028), (976, 83014), (1952, 41507)]