257161926

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{751}}^1$

素因数の和:1057

約数の個数: 64

約数和(自身を含む): 609878016

約数和(自身を除く): 352716090

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 263, 434, 526, 651, 751, 789, 1302, 1502, 1578, 1841, 2253, 3682, 4506, 5257, 5523, 8153, 10514, 11046, 15771, 16306, 23281, 24459, 31542, 46562, 48918, 57071, 69843, 114142, 139686, 162967, 171213, 197513, 325934, 342426, 395026, 488901, 592539, 977802, 1185078, 1382591, 2765182, 4147773, 6122903, 8295546, 12245806, 18368709, 36737418, 42860321, 85720642, 128580963, 257161926]

約数ペア:

[(1, 257161926), (2, 128580963), (3, 85720642), (6, 42860321), (7, 36737418), (14, 18368709), (21, 12245806), (31, 8295546), (42, 6122903), (62, 4147773), (93, 2765182), (186, 1382591), (217, 1185078), (263, 977802), (434, 592539), (526, 488901), (651, 395026), (751, 342426), (789, 325934), (1302, 197513), (1502, 171213), (1578, 162967), (1841, 139686), (2253, 114142), (3682, 69843), (4506, 57071), (5257, 48918), (5523, 46562), (8153, 31542), (10514, 24459), (11046, 23281), (15771, 16306)]