80898139

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 99993600

約数和(自身を除く): 19095461

約数列:

[1, 7, 29, 47, 61, 139, 203, 329, 427, 973, 1363, 1769, 2867, 4031, 6533, 8479, 9541, 12383, 20069, 28217, 45731, 59353, 83143, 189457, 245891, 398513, 582001, 1326199, 1721237, 2789591, 11556877, 80898139]

約数ペア:

[(1, 80898139), (7, 11556877), (29, 2789591), (47, 1721237), (61, 1326199), (139, 582001), (203, 398513), (329, 245891), (427, 189457), (973, 83143), (1363, 59353), (1769, 45731), (2867, 28217), (4031, 20069), (6533, 12383), (8479, 9541)]