71387009

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 83635200

約数和(自身を除く): 12248191

約数列:

[1, 19, 23, 29, 43, 131, 437, 551, 667, 817, 989, 1247, 2489, 3013, 3799, 5633, 12673, 18791, 23693, 28681, 57247, 72181, 87377, 107027, 129559, 163357, 544939, 1660163, 2461621, 3103783, 3757211, 71387009]

約数ペア:

[(1, 71387009), (19, 3757211), (23, 3103783), (29, 2461621), (43, 1660163), (131, 544939), (437, 163357), (551, 129559), (667, 107027), (817, 87377), (989, 72181), (1247, 57247), (2489, 28681), (3013, 23693), (3799, 18791), (5633, 12673)]