128627604

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2591}}^1$

素因数の和:2805

約数の個数: 72

約数和(自身を含む): 373621248

約数和(自身を除く): 244993644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 591, 788, 1182, 1379, 1773, 2364, 2591, 2758, 3546, 4137, 5182, 5516, 7092, 7773, 8274, 10364, 12411, 15546, 16548, 18137, 23319, 24822, 31092, 36274, 46638, 49644, 54411, 72548, 93276, 108822, 163233, 217644, 326466, 510427, 652932, 1020854, 1531281, 2041708, 3062562, 3572989, 4593843, 6125124, 7145978, 9187686, 10718967, 14291956, 18375372, 21437934, 32156901, 42875868, 64313802, 128627604]

約数ペア:

[(1, 128627604), (2, 64313802), (3, 42875868), (4, 32156901), (6, 21437934), (7, 18375372), (9, 14291956), (12, 10718967), (14, 9187686), (18, 7145978), (21, 6125124), (28, 4593843), (36, 3572989), (42, 3062562), (63, 2041708), (84, 1531281), (126, 1020854), (197, 652932), (252, 510427), (394, 326466), (591, 217644), (788, 163233), (1182, 108822), (1379, 93276), (1773, 72548), (2364, 54411), (2591, 49644), (2758, 46638), (3546, 36274), (4137, 31092), (5182, 24822), (5516, 23319), (7092, 18137), (7773, 16548), (8274, 15546), (10364, 12411)]