28390284

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:376

約数の個数: 96

約数和(自身を含む): 80642240

約数和(自身を除く): 52251956

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 73, 78, 108, 117, 146, 156, 219, 234, 277, 292, 351, 438, 468, 554, 657, 702, 831, 876, 949, 1108, 1314, 1404, 1662, 1898, 1971, 2493, 2628, 2847, 3324, 3601, 3796, 3942, 4986, 5694, 7202, 7479, 7884, 8541, 9972, 10803, 11388, 14404, 14958, 17082, 20221, 21606, 25623, 29916, 32409, 34164, 40442, 43212, 51246, 60663, 64818, 80884, 97227, 102492, 121326, 129636, 181989, 194454, 242652, 262873, 363978, 388908, 525746, 545967, 727956, 788619, 1051492, 1091934, 1577238, 2183868, 2365857, 3154476, 4731714, 7097571, 9463428, 14195142, 28390284]

約数ペア:

[(1, 28390284), (2, 14195142), (3, 9463428), (4, 7097571), (6, 4731714), (9, 3154476), (12, 2365857), (13, 2183868), (18, 1577238), (26, 1091934), (27, 1051492), (36, 788619), (39, 727956), (52, 545967), (54, 525746), (73, 388908), (78, 363978), (108, 262873), (117, 242652), (146, 194454), (156, 181989), (219, 129636), (234, 121326), (277, 102492), (292, 97227), (351, 80884), (438, 64818), (468, 60663), (554, 51246), (657, 43212), (702, 40442), (831, 34164), (876, 32409), (949, 29916), (1108, 25623), (1314, 21606), (1404, 20221), (1662, 17082), (1898, 14958), (1971, 14404), (2493, 11388), (2628, 10803), (2847, 9972), (3324, 8541), (3601, 7884), (3796, 7479), (3942, 7202), (4986, 5694)]