72067513

素因数分解:

$7^1\times {\mathrm{19}}^4\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 20

約数和(自身を含む): 88039040

約数和(自身を除く): 15971527

約数列:

[1, 7, 19, 79, 133, 361, 553, 1501, 2527, 6859, 10507, 28519, 48013, 130321, 199633, 541861, 912247, 3793027, 10295359, 72067513]

約数ペア:

[(1, 72067513), (7, 10295359), (19, 3793027), (79, 912247), (133, 541861), (361, 199633), (553, 130321), (1501, 48013), (2527, 28519), (6859, 10507)]