81913534

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:744

約数の個数: 24

約数和(自身を含む): 129601080

約数和(自身を除く): 47687546

約数列:

[1, 2, 23, 46, 139, 278, 529, 557, 1058, 1114, 3197, 6394, 12811, 25622, 73531, 77423, 147062, 154846, 294653, 589306, 1780729, 3561458, 40956767, 81913534]

約数ペア:

[(1, 81913534), (2, 40956767), (23, 3561458), (46, 1780729), (139, 589306), (278, 294653), (529, 154846), (557, 147062), (1058, 77423), (1114, 73531), (3197, 25622), (6394, 12811)]