81354936

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260753}}^1$

素因数の和:260775

約数の個数: 32

約数和(自身を含む): 219033360

約数和(自身を除く): 137678424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 260753, 521506, 782259, 1043012, 1564518, 2086024, 3129036, 3389789, 6258072, 6779578, 10169367, 13559156, 20338734, 27118312, 40677468, 81354936]

約数ペア:

[(1, 81354936), (2, 40677468), (3, 27118312), (4, 20338734), (6, 13559156), (8, 10169367), (12, 6779578), (13, 6258072), (24, 3389789), (26, 3129036), (39, 2086024), (52, 1564518), (78, 1043012), (104, 782259), (156, 521506), (312, 260753)]