201217812

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{389957}}^1$

素因数の和:390007

約数の個数: 24

約数和(自身を含む): 480428256

約数和(自身を除く): 279210444

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 389957, 779914, 1169871, 1559828, 2339742, 4679484, 16768151, 33536302, 50304453, 67072604, 100608906, 201217812]

約数ペア:

[(1, 201217812), (2, 100608906), (3, 67072604), (4, 50304453), (6, 33536302), (12, 16768151), (43, 4679484), (86, 2339742), (129, 1559828), (172, 1169871), (258, 779914), (516, 389957)]