30987019

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 36627136

約数和(自身を除く): 5640117

約数列:

[1, 7, 37, 181, 259, 661, 1267, 4627, 6697, 24457, 46879, 119641, 171199, 837487, 4426717, 30987019]

約数ペア:

[(1, 30987019), (7, 4426717), (37, 837487), (181, 171199), (259, 119641), (661, 46879), (1267, 24457), (4627, 6697)]