39820865

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 57957120

約数和(自身を除く): 18136255

約数列:

[1, 5, 7, 19, 35, 95, 133, 233, 257, 665, 1165, 1285, 1631, 1799, 4427, 4883, 8155, 8995, 22135, 24415, 30989, 34181, 59881, 154945, 170905, 299405, 419167, 1137739, 2095835, 5688695, 7964173, 39820865]

約数ペア:

[(1, 39820865), (5, 7964173), (7, 5688695), (19, 2095835), (35, 1137739), (95, 419167), (133, 299405), (233, 170905), (257, 154945), (665, 59881), (1165, 34181), (1285, 30989), (1631, 24415), (1799, 22135), (4427, 8995), (4883, 8155)]