161208892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4241}}^1$

素因数の和:4318

約数の個数: 48

約数和(自身を含む): 329247072

約数和(自身を除く): 168038180

約数列:

[1, 2, 4, 13, 17, 26, 34, 43, 52, 68, 86, 172, 221, 442, 559, 731, 884, 1118, 1462, 2236, 2924, 4241, 8482, 9503, 16964, 19006, 38012, 55133, 72097, 110266, 144194, 182363, 220532, 288388, 364726, 729452, 937261, 1874522, 2370719, 3100171, 3749044, 4741438, 6200342, 9482876, 12400684, 40302223, 80604446, 161208892]

約数ペア:

[(1, 161208892), (2, 80604446), (4, 40302223), (13, 12400684), (17, 9482876), (26, 6200342), (34, 4741438), (43, 3749044), (52, 3100171), (68, 2370719), (86, 1874522), (172, 937261), (221, 729452), (442, 364726), (559, 288388), (731, 220532), (884, 182363), (1118, 144194), (1462, 110266), (2236, 72097), (2924, 55133), (4241, 38012), (8482, 19006), (9503, 16964)]