291236351

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{10091}}^1$

素因数の和:10155

約数の個数: 24

約数和(自身を含む): 368156160

約数和(自身を除く): 76919809

約数列:

[1, 7, 19, 31, 49, 133, 217, 589, 931, 1519, 4123, 10091, 28861, 70637, 191729, 312821, 494459, 1342103, 2189747, 5943599, 9394721, 15328229, 41605193, 291236351]

約数ペア:

[(1, 291236351), (7, 41605193), (19, 15328229), (31, 9394721), (49, 5943599), (133, 2189747), (217, 1342103), (589, 494459), (931, 312821), (1519, 191729), (4123, 70637), (10091, 28861)]