180128987

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{997}}^1$

素因数の和:1310

約数の個数: 16

約数和(自身を含む): 195687840

約数和(自身を除く): 15558853

約数列:

[1, 19, 37, 257, 703, 997, 4883, 9509, 18943, 36889, 180671, 256229, 700891, 4868351, 9480473, 180128987]

約数ペア:

[(1, 180128987), (19, 9480473), (37, 4868351), (257, 700891), (703, 256229), (997, 180671), (4883, 36889), (9509, 18943)]