390420265

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{15991}}^1$

素因数の和:16272

約数の個数: 16

約数和(自身を含む): 495112320

約数和(自身を除く): 104692055

約数列:

[1, 5, 19, 95, 257, 1285, 4883, 15991, 24415, 79955, 303829, 1519145, 4109687, 20548435, 78084053, 390420265]

約数ペア:

[(1, 390420265), (5, 78084053), (19, 20548435), (95, 4109687), (257, 1519145), (1285, 303829), (4883, 79955), (15991, 24415)]