81577964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{68209}}^1$

素因数の和:68249

約数の個数: 24

約数和(自身を含む): 160429920

約数和(自身を除く): 78851956

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 68209, 136418, 272836, 886717, 1568807, 1773434, 3137614, 3546868, 6275228, 20394491, 40788982, 81577964]

約数ペア:

[(1, 81577964), (2, 40788982), (4, 20394491), (13, 6275228), (23, 3546868), (26, 3137614), (46, 1773434), (52, 1568807), (92, 886717), (299, 272836), (598, 136418), (1196, 68209)]