81604031

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 88015200

約数和(自身を除く): 6411169

約数列:

[1, 19, 61, 181, 389, 1159, 3439, 7391, 11041, 23729, 70409, 209779, 450851, 1337771, 4294949, 81604031]

約数ペア:

[(1, 81604031), (19, 4294949), (61, 1337771), (181, 450851), (389, 209779), (1159, 70409), (3439, 23729), (7391, 11041)]