80905097

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 106417920

約数和(自身を除く): 25512823

約数列:

[1, 7, 13, 19, 73, 91, 133, 247, 511, 641, 949, 1387, 1729, 4487, 6643, 8333, 9709, 12179, 18031, 46793, 58331, 85253, 126217, 158327, 327551, 608309, 889067, 1108289, 4258163, 6223469, 11557871, 80905097]

約数ペア:

[(1, 80905097), (7, 11557871), (13, 6223469), (19, 4258163), (73, 1108289), (91, 889067), (133, 608309), (247, 327551), (511, 158327), (641, 126217), (949, 85253), (1387, 58331), (1729, 46793), (4487, 18031), (6643, 12179), (8333, 9709)]