28271958

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 67398912

約数和(自身を除く): 39126954

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 83, 143, 166, 249, 286, 397, 429, 498, 794, 858, 913, 1079, 1191, 1826, 2158, 2382, 2739, 3237, 4367, 5161, 5478, 6474, 8734, 10322, 11869, 13101, 15483, 23738, 26202, 30966, 32951, 35607, 56771, 65902, 71214, 98853, 113542, 170313, 197706, 340626, 362461, 428363, 724922, 856726, 1087383, 1285089, 2174766, 2570178, 4711993, 9423986, 14135979, 28271958]

約数ペア:

[(1, 28271958), (2, 14135979), (3, 9423986), (6, 4711993), (11, 2570178), (13, 2174766), (22, 1285089), (26, 1087383), (33, 856726), (39, 724922), (66, 428363), (78, 362461), (83, 340626), (143, 197706), (166, 170313), (249, 113542), (286, 98853), (397, 71214), (429, 65902), (498, 56771), (794, 35607), (858, 32951), (913, 30966), (1079, 26202), (1191, 23738), (1826, 15483), (2158, 13101), (2382, 11869), (2739, 10322), (3237, 8734), (4367, 6474), (5161, 5478)]