81157570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{27143}}^1$

素因数の和:27186

約数の個数: 32

約数和(自身を含む): 164166912

約数和(自身を除く): 83009342

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 27143, 54286, 135715, 271430, 352859, 624289, 705718, 1248578, 1764295, 3121445, 3528590, 6242890, 8115757, 16231514, 40578785, 81157570]

約数ペア:

[(1, 81157570), (2, 40578785), (5, 16231514), (10, 8115757), (13, 6242890), (23, 3528590), (26, 3121445), (46, 1764295), (65, 1248578), (115, 705718), (130, 624289), (230, 352859), (299, 271430), (598, 135715), (1495, 54286), (2990, 27143)]