86401990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1213}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 165201120

約数和(自身を除く): 78799130

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 419, 838, 1213, 2095, 2426, 4190, 6065, 7123, 12130, 14246, 20621, 35615, 41242, 71230, 103105, 206210, 508247, 1016494, 2541235, 5082470, 8640199, 17280398, 43200995, 86401990]

約数ペア:

[(1, 86401990), (2, 43200995), (5, 17280398), (10, 8640199), (17, 5082470), (34, 2541235), (85, 1016494), (170, 508247), (419, 206210), (838, 103105), (1213, 71230), (2095, 41242), (2426, 35615), (4190, 20621), (6065, 14246), (7123, 12130)]