42173825

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{4673}}^1$

素因数の和:4721

約数の個数: 18

約数和(自身を含む): 55204614

約数和(自身を除く): 13030789

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 4673, 9025, 23365, 88787, 116825, 443935, 1686953, 2219675, 8434765, 42173825]

約数ペア:

[(1, 42173825), (5, 8434765), (19, 2219675), (25, 1686953), (95, 443935), (361, 116825), (475, 88787), (1805, 23365), (4673, 9025)]