213873985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1367}}^1$

素因数の和:1497

約数の個数: 32

約数和(自身を含む): 289578240

約数和(自身を除く): 75704255

約数列:

[1, 5, 13, 29, 65, 83, 145, 377, 415, 1079, 1367, 1885, 2407, 5395, 6835, 12035, 17771, 31291, 39643, 88855, 113461, 156455, 198215, 515359, 567305, 1474993, 2576795, 3290369, 7374965, 16451845, 42774797, 213873985]

約数ペア:

[(1, 213873985), (5, 42774797), (13, 16451845), (29, 7374965), (65, 3290369), (83, 2576795), (145, 1474993), (377, 567305), (415, 515359), (1079, 198215), (1367, 156455), (1885, 113461), (2407, 88855), (5395, 39643), (6835, 31291), (12035, 17771)]