216804965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{49783}}^1$

素因数の和:49868

約数の個数: 16

約数和(自身を含む): 284366208

約数和(自身を除く): 67561243

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 49783, 248915, 647179, 3235895, 3335461, 16677305, 43360993, 216804965]

約数ペア:

[(1, 216804965), (5, 43360993), (13, 16677305), (65, 3335461), (67, 3235895), (335, 647179), (871, 248915), (4355, 49783)]