291249138

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{983}}^1$

素因数の和:1143

約数の個数: 64

約数和(自身を含む): 646133760

約数和(自身を除く): 354884622

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 113, 114, 138, 226, 339, 437, 678, 874, 983, 1311, 1966, 2147, 2599, 2622, 2949, 4294, 5198, 5898, 6441, 7797, 12882, 15594, 18677, 22609, 37354, 45218, 49381, 56031, 67827, 98762, 111079, 112062, 135654, 148143, 222158, 296286, 333237, 429571, 666474, 859142, 1288713, 2110501, 2554817, 2577426, 4221002, 5109634, 6331503, 7664451, 12663006, 15328902, 48541523, 97083046, 145624569, 291249138]

約数ペア:

[(1, 291249138), (2, 145624569), (3, 97083046), (6, 48541523), (19, 15328902), (23, 12663006), (38, 7664451), (46, 6331503), (57, 5109634), (69, 4221002), (113, 2577426), (114, 2554817), (138, 2110501), (226, 1288713), (339, 859142), (437, 666474), (678, 429571), (874, 333237), (983, 296286), (1311, 222158), (1966, 148143), (2147, 135654), (2599, 112062), (2622, 111079), (2949, 98762), (4294, 67827), (5198, 56031), (5898, 49381), (6441, 45218), (7797, 37354), (12882, 22609), (15594, 18677)]