209505564

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{827}}^1$

素因数の和:1095

約数の個数: 72

約数和(自身を含む): 549739008

約数和(自身を除く): 340233444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 227, 279, 372, 454, 558, 681, 827, 908, 1116, 1362, 1654, 2043, 2481, 2724, 3308, 4086, 4962, 7037, 7443, 8172, 9924, 14074, 14886, 21111, 25637, 28148, 29772, 42222, 51274, 63333, 76911, 84444, 102548, 126666, 153822, 187729, 230733, 253332, 307644, 375458, 461466, 563187, 750916, 922932, 1126374, 1689561, 2252748, 3379122, 5819599, 6758244, 11639198, 17458797, 23278396, 34917594, 52376391, 69835188, 104752782, 209505564]

約数ペア:

[(1, 209505564), (2, 104752782), (3, 69835188), (4, 52376391), (6, 34917594), (9, 23278396), (12, 17458797), (18, 11639198), (31, 6758244), (36, 5819599), (62, 3379122), (93, 2252748), (124, 1689561), (186, 1126374), (227, 922932), (279, 750916), (372, 563187), (454, 461466), (558, 375458), (681, 307644), (827, 253332), (908, 230733), (1116, 187729), (1362, 153822), (1654, 126666), (2043, 102548), (2481, 84444), (2724, 76911), (3308, 63333), (4086, 51274), (4962, 42222), (7037, 29772), (7443, 28148), (8172, 25637), (9924, 21111), (14074, 14886)]