81313492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{7411}}^1$

素因数の和:7639

約数の個数: 24

約数和(自身を含む): 153991712

約数和(自身を除く): 72678220

約数列:

[1, 2, 4, 13, 26, 52, 211, 422, 844, 2743, 5486, 7411, 10972, 14822, 29644, 96343, 192686, 385372, 1563721, 3127442, 6254884, 20328373, 40656746, 81313492]

約数ペア:

[(1, 81313492), (2, 40656746), (4, 20328373), (13, 6254884), (26, 3127442), (52, 1563721), (211, 385372), (422, 192686), (844, 96343), (2743, 29644), (5486, 14822), (7411, 10972)]