81018685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1187}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 113933952

約数和(自身を除く): 32915267

約数列:

[1, 5, 11, 17, 55, 73, 85, 187, 365, 803, 935, 1187, 1241, 4015, 5935, 6205, 13057, 13651, 20179, 65285, 68255, 86651, 100895, 221969, 433255, 953161, 1109845, 1473067, 4765805, 7365335, 16203737, 81018685]

約数ペア:

[(1, 81018685), (5, 16203737), (11, 7365335), (17, 4765805), (55, 1473067), (73, 1109845), (85, 953161), (187, 433255), (365, 221969), (803, 100895), (935, 86651), (1187, 68255), (1241, 65285), (4015, 20179), (5935, 13651), (6205, 13057)]