291216128

素因数分解:

$2^8\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1609}}^1$

素因数の和:1733

約数の個数: 72

約数和(自身を含む): 671331360

約数和(自身を除く): 380115232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 101, 112, 128, 202, 224, 256, 404, 448, 707, 808, 896, 1414, 1609, 1616, 1792, 2828, 3218, 3232, 5656, 6436, 6464, 11263, 11312, 12872, 12928, 22526, 22624, 25744, 25856, 45052, 45248, 51488, 90104, 90496, 102976, 162509, 180208, 180992, 205952, 325018, 360416, 411904, 650036, 720832, 1137563, 1300072, 1441664, 2275126, 2600144, 2883328, 4550252, 5200288, 9100504, 10400576, 18201008, 20801152, 36402016, 41602304, 72804032, 145608064, 291216128]

約数ペア:

[(1, 291216128), (2, 145608064), (4, 72804032), (7, 41602304), (8, 36402016), (14, 20801152), (16, 18201008), (28, 10400576), (32, 9100504), (56, 5200288), (64, 4550252), (101, 2883328), (112, 2600144), (128, 2275126), (202, 1441664), (224, 1300072), (256, 1137563), (404, 720832), (448, 650036), (707, 411904), (808, 360416), (896, 325018), (1414, 205952), (1609, 180992), (1616, 180208), (1792, 162509), (2828, 102976), (3218, 90496), (3232, 90104), (5656, 51488), (6436, 45248), (6464, 45052), (11263, 25856), (11312, 25744), (12872, 22624), (12928, 22526)]