81601768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11321}}^1$

素因数の和:11397

約数の個数: 32

約数和(自身を含む): 165074760

約数和(自身を除く): 83472992

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 3604, 7208, 11321, 22642, 45284, 90568, 192457, 384914, 600013, 769828, 1200026, 1539656, 2400052, 4800104, 10200221, 20400442, 40800884, 81601768]

約数ペア:

[(1, 81601768), (2, 40800884), (4, 20400442), (8, 10200221), (17, 4800104), (34, 2400052), (53, 1539656), (68, 1200026), (106, 769828), (136, 600013), (212, 384914), (424, 192457), (901, 90568), (1802, 45284), (3604, 22642), (7208, 11321)]