548990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 1100736

約数和(自身を除く): 551746

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 103, 130, 205, 206, 410, 515, 533, 1030, 1066, 1339, 2665, 2678, 4223, 5330, 6695, 8446, 13390, 21115, 42230, 54899, 109798, 274495, 548990]

約数ペア:

[(1, 548990), (2, 274495), (5, 109798), (10, 54899), (13, 42230), (26, 21115), (41, 13390), (65, 8446), (82, 6695), (103, 5330), (130, 4223), (205, 2678), (206, 2665), (410, 1339), (515, 1066), (533, 1030)]