555573889

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 688367680

約数和(自身を除く): 132793791

約数列:

[1, 13, 17, 19, 43, 181, 221, 247, 289, 323, 559, 731, 817, 2353, 3077, 3439, 3757, 4199, 5491, 7783, 9503, 10621, 12427, 13889, 40001, 44707, 52309, 58463, 71383, 101179, 132311, 147877, 161551, 180557, 236113, 680017, 760019, 993871, 1720043, 1922401, 2249287, 2513909, 3069469, 12920323, 29240731, 32680817, 42736453, 555573889]

約数ペア:

[(1, 555573889), (13, 42736453), (17, 32680817), (19, 29240731), (43, 12920323), (181, 3069469), (221, 2513909), (247, 2249287), (289, 1922401), (323, 1720043), (559, 993871), (731, 760019), (817, 680017), (2353, 236113), (3077, 180557), (3439, 161551), (3757, 147877), (4199, 132311), (5491, 101179), (7783, 71383), (9503, 58463), (10621, 52309), (12427, 44707), (13889, 40001)]