255366954

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{1663}}^1$

素因数の和:2139

約数の個数: 48

約数和(自身を含む): 584064000

約数和(自身を除く): 328697046

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 449, 898, 1347, 1663, 2694, 3326, 4041, 4989, 8082, 8531, 9978, 14967, 17062, 25593, 29934, 31597, 51186, 63194, 76779, 94791, 153558, 189582, 284373, 568746, 746687, 1493374, 2240061, 4480122, 6720183, 13440366, 14187053, 28374106, 42561159, 85122318, 127683477, 255366954]

約数ペア:

[(1, 255366954), (2, 127683477), (3, 85122318), (6, 42561159), (9, 28374106), (18, 14187053), (19, 13440366), (38, 6720183), (57, 4480122), (114, 2240061), (171, 1493374), (342, 746687), (449, 568746), (898, 284373), (1347, 189582), (1663, 153558), (2694, 94791), (3326, 76779), (4041, 63194), (4989, 51186), (8082, 31597), (8531, 29934), (9978, 25593), (14967, 17062)]