81677284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{3917}}^1$

素因数の和:4335

約数の個数: 24

約数和(自身を含む): 154353528

約数和(自身を除く): 72676244

約数列:

[1, 2, 4, 13, 26, 52, 401, 802, 1604, 3917, 5213, 7834, 10426, 15668, 20852, 50921, 101842, 203684, 1570717, 3141434, 6282868, 20419321, 40838642, 81677284]

約数ペア:

[(1, 81677284), (2, 40838642), (4, 20419321), (13, 6282868), (26, 3141434), (52, 1570717), (401, 203684), (802, 101842), (1604, 50921), (3917, 20852), (5213, 15668), (7834, 10426)]