1290872728

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 2537694720

約数和(自身を除く): 1246821992

約数列:

[1, 2, 4, 8, 43, 61, 86, 122, 172, 227, 244, 271, 344, 454, 488, 542, 908, 1084, 1816, 2168, 2623, 5246, 9761, 10492, 11653, 13847, 16531, 19522, 20984, 23306, 27694, 33062, 39044, 46612, 55388, 61517, 66124, 78088, 93224, 110776, 123034, 132248, 246068, 492136, 595421, 710833, 1190842, 1421666, 2381684, 2645231, 2843332, 3752537, 4763368, 5290462, 5686664, 7505074, 10580924, 15010148, 21161848, 30020296, 161359091, 322718182, 645436364, 1290872728]

約数ペア:

[(1, 1290872728), (2, 645436364), (4, 322718182), (8, 161359091), (43, 30020296), (61, 21161848), (86, 15010148), (122, 10580924), (172, 7505074), (227, 5686664), (244, 5290462), (271, 4763368), (344, 3752537), (454, 2843332), (488, 2645231), (542, 2381684), (908, 1421666), (1084, 1190842), (1816, 710833), (2168, 595421), (2623, 492136), (5246, 246068), (9761, 132248), (10492, 123034), (11653, 110776), (13847, 93224), (16531, 78088), (19522, 66124), (20984, 61517), (23306, 55388), (27694, 46612), (33062, 39044)]