25139790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21487}}^1$

素因数の和:21513

約数の個数: 48

約数和(自身を含む): 70394688

約数和(自身を除く): 45254898

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 21487, 42974, 64461, 107435, 128922, 193383, 214870, 279331, 322305, 386766, 558662, 644610, 837993, 966915, 1396655, 1675986, 1933830, 2513979, 2793310, 4189965, 5027958, 8379930, 12569895, 25139790]

約数ペア:

[(1, 25139790), (2, 12569895), (3, 8379930), (5, 5027958), (6, 4189965), (9, 2793310), (10, 2513979), (13, 1933830), (15, 1675986), (18, 1396655), (26, 966915), (30, 837993), (39, 644610), (45, 558662), (65, 386766), (78, 322305), (90, 279331), (117, 214870), (130, 193383), (195, 128922), (234, 107435), (390, 64461), (585, 42974), (1170, 21487)]