12712505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{761}}^1$

素因数の和:1036

約数の個数: 16

約数和(自身を含む): 16514064

約数和(自身を除く): 3801559

約数列:

[1, 5, 13, 65, 257, 761, 1285, 3341, 3805, 9893, 16705, 49465, 195577, 977885, 2542501, 12712505]

約数ペア:

[(1, 12712505), (5, 2542501), (13, 977885), (65, 195577), (257, 49465), (761, 16705), (1285, 9893), (3341, 3805)]