81901924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{4513}}^1$

素因数の和:4879

約数の個数: 24

約数和(自身を含む): 154830200

約数和(自身を除く): 72928276

約数列:

[1, 2, 4, 13, 26, 52, 349, 698, 1396, 4513, 4537, 9026, 9074, 18052, 18148, 58669, 117338, 234676, 1575037, 3150074, 6300148, 20475481, 40950962, 81901924]

約数ペア:

[(1, 81901924), (2, 40950962), (4, 20475481), (13, 6300148), (26, 3150074), (52, 1575037), (349, 234676), (698, 117338), (1396, 58669), (4513, 18148), (4537, 18052), (9026, 9074)]