13210615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 18662400

約数和(自身を除く): 5451785

約数列:

[1, 5, 11, 17, 55, 71, 85, 187, 199, 355, 781, 935, 995, 1207, 2189, 3383, 3905, 6035, 10945, 13277, 14129, 16915, 37213, 66385, 70645, 155419, 186065, 240193, 777095, 1200965, 2642123, 13210615]

約数ペア:

[(1, 13210615), (5, 2642123), (11, 1200965), (17, 777095), (55, 240193), (71, 186065), (85, 155419), (187, 70645), (199, 66385), (355, 37213), (781, 16915), (935, 14129), (995, 13277), (1207, 10945), (2189, 6035), (3383, 3905)]