86740784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{417023}}^1$

素因数の和:417044

約数の個数: 20

約数和(自身を含む): 180988416

約数和(自身を除く): 94247632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 417023, 834046, 1668092, 3336184, 5421299, 6672368, 10842598, 21685196, 43370392, 86740784]

約数ペア:

[(1, 86740784), (2, 43370392), (4, 21685196), (8, 10842598), (13, 6672368), (16, 5421299), (26, 3336184), (52, 1668092), (104, 834046), (208, 417023)]