78456664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{68581}}^1$

素因数の和:68611

約数の個数: 32

約数和(自身を含む): 172826640

約数和(自身を除く): 94369976

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 68581, 137162, 274324, 548648, 754391, 891553, 1508782, 1783106, 3017564, 3566212, 6035128, 7132424, 9807083, 19614166, 39228332, 78456664]

約数ペア:

[(1, 78456664), (2, 39228332), (4, 19614166), (8, 9807083), (11, 7132424), (13, 6035128), (22, 3566212), (26, 3017564), (44, 1783106), (52, 1508782), (88, 891553), (104, 754391), (143, 548648), (286, 274324), (572, 137162), (1144, 68581)]