89271728

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:515

約数の個数: 120

約数和(自身を含む): 228579120

約数和(自身を除く): 139307392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 49, 52, 56, 76, 91, 98, 104, 112, 133, 152, 182, 196, 208, 247, 266, 304, 364, 392, 461, 494, 532, 637, 728, 784, 922, 931, 988, 1064, 1274, 1456, 1729, 1844, 1862, 1976, 2128, 2548, 3227, 3458, 3688, 3724, 3952, 5096, 5993, 6454, 6916, 7376, 7448, 8759, 10192, 11986, 12103, 12908, 13832, 14896, 17518, 22589, 23972, 24206, 25816, 27664, 35036, 41951, 45178, 47944, 48412, 51632, 61313, 70072, 83902, 90356, 95888, 96824, 113867, 122626, 140144, 167804, 180712, 193648, 227734, 245252, 293657, 335608, 361424, 429191, 455468, 490504, 587314, 671216, 797069, 858382, 910936, 981008, 1174628, 1594138, 1716764, 1821872, 2349256, 3188276, 3433528, 4698512, 5579483, 6376552, 6867056, 11158966, 12753104, 22317932, 44635864, 89271728]

約数ペア:

[(1, 89271728), (2, 44635864), (4, 22317932), (7, 12753104), (8, 11158966), (13, 6867056), (14, 6376552), (16, 5579483), (19, 4698512), (26, 3433528), (28, 3188276), (38, 2349256), (49, 1821872), (52, 1716764), (56, 1594138), (76, 1174628), (91, 981008), (98, 910936), (104, 858382), (112, 797069), (133, 671216), (152, 587314), (182, 490504), (196, 455468), (208, 429191), (247, 361424), (266, 335608), (304, 293657), (364, 245252), (392, 227734), (461, 193648), (494, 180712), (532, 167804), (637, 140144), (728, 122626), (784, 113867), (922, 96824), (931, 95888), (988, 90356), (1064, 83902), (1274, 70072), (1456, 61313), (1729, 51632), (1844, 48412), (1862, 47944), (1976, 45178), (2128, 41951), (2548, 35036), (3227, 27664), (3458, 25816), (3688, 24206), (3724, 23972), (3952, 22589), (5096, 17518), (5993, 14896), (6454, 13832), (6916, 12908), (7376, 12103), (7448, 11986), (8759, 10192)]