209560498

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 390832128

約数和(自身を除く): 181271630

約数列:

[1, 2, 7, 14, 23, 46, 47, 61, 94, 122, 161, 227, 322, 329, 427, 454, 658, 854, 1081, 1403, 1589, 2162, 2806, 2867, 3178, 5221, 5734, 7567, 9821, 10442, 10669, 13847, 15134, 19642, 20069, 21338, 27694, 36547, 40138, 65941, 73094, 74683, 96929, 131882, 149366, 193858, 245387, 318481, 461587, 490774, 636962, 650809, 923174, 1301618, 1717709, 2229367, 3435418, 4458734, 4555663, 9111326, 14968607, 29937214, 104780249, 209560498]

約数ペア:

[(1, 209560498), (2, 104780249), (7, 29937214), (14, 14968607), (23, 9111326), (46, 4555663), (47, 4458734), (61, 3435418), (94, 2229367), (122, 1717709), (161, 1301618), (227, 923174), (322, 650809), (329, 636962), (427, 490774), (454, 461587), (658, 318481), (854, 245387), (1081, 193858), (1403, 149366), (1589, 131882), (2162, 96929), (2806, 74683), (2867, 73094), (3178, 65941), (5221, 40138), (5734, 36547), (7567, 27694), (9821, 21338), (10442, 20069), (10669, 19642), (13847, 15134)]