289722056

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 598978800

約数和(自身を除く): 309256744

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 113, 178, 226, 277, 356, 452, 554, 712, 904, 1108, 1157, 1469, 2216, 2314, 2938, 3601, 4628, 5876, 7202, 9256, 10057, 11752, 14404, 20114, 24653, 28808, 31301, 40228, 49306, 62602, 80456, 98612, 125204, 130741, 197224, 250408, 261482, 320489, 406913, 522964, 640978, 813826, 1045928, 1281956, 1627652, 2563912, 2785789, 3255304, 5571578, 11143156, 22286312, 36215257, 72430514, 144861028, 289722056]

約数ペア:

[(1, 289722056), (2, 144861028), (4, 72430514), (8, 36215257), (13, 22286312), (26, 11143156), (52, 5571578), (89, 3255304), (104, 2785789), (113, 2563912), (178, 1627652), (226, 1281956), (277, 1045928), (356, 813826), (452, 640978), (554, 522964), (712, 406913), (904, 320489), (1108, 261482), (1157, 250408), (1469, 197224), (2216, 130741), (2314, 125204), (2938, 98612), (3601, 80456), (4628, 62602), (5876, 49306), (7202, 40228), (9256, 31301), (10057, 28808), (11752, 24653), (14404, 20114)]