639968346

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{14771}}^1$

素因数の和:14891

約数の個数: 48

約数和(自身を含む): 1451792160

約数和(自身を除く): 811823814

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 83, 87, 166, 174, 249, 261, 498, 522, 747, 1494, 2407, 4814, 7221, 14442, 14771, 21663, 29542, 43326, 44313, 88626, 132939, 265878, 428359, 856718, 1225993, 1285077, 2451986, 2570154, 3677979, 3855231, 7355958, 7710462, 11033937, 22067874, 35553797, 71107594, 106661391, 213322782, 319984173, 639968346]

約数ペア:

[(1, 639968346), (2, 319984173), (3, 213322782), (6, 106661391), (9, 71107594), (18, 35553797), (29, 22067874), (58, 11033937), (83, 7710462), (87, 7355958), (166, 3855231), (174, 3677979), (249, 2570154), (261, 2451986), (498, 1285077), (522, 1225993), (747, 856718), (1494, 428359), (2407, 265878), (4814, 132939), (7221, 88626), (14442, 44313), (14771, 43326), (21663, 29542)]