209519356

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{1093}}^1\times {\mathrm{2819}}^1$

素因数の和:3933

約数の個数: 24

約数和(自身を含む): 388720080

約数和(自身を除く): 179200724

約数列:

[1, 2, 4, 17, 34, 68, 1093, 2186, 2819, 4372, 5638, 11276, 18581, 37162, 47923, 74324, 95846, 191692, 3081167, 6162334, 12324668, 52379839, 104759678, 209519356]

約数ペア:

[(1, 209519356), (2, 104759678), (4, 52379839), (17, 12324668), (34, 6162334), (68, 3081167), (1093, 191692), (2186, 95846), (2819, 74324), (4372, 47923), (5638, 37162), (11276, 18581)]