391477892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{84589}}^1$

素因数の和:84695

約数の個数: 24

約数和(自身を含む): 746083800

約数和(自身を除く): 354605908

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 84589, 169178, 338356, 1099657, 2199314, 4398628, 7528421, 15056842, 30113684, 97869473, 195738946, 391477892]

約数ペア:

[(1, 391477892), (2, 195738946), (4, 97869473), (13, 30113684), (26, 15056842), (52, 7528421), (89, 4398628), (178, 2199314), (356, 1099657), (1157, 338356), (2314, 169178), (4628, 84589)]