3971665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 5080320

約数和(自身を除く): 1108655

約数列:

[1, 5, 19, 95, 97, 431, 485, 1843, 2155, 8189, 9215, 40945, 41807, 209035, 794333, 3971665]

約数ペア:

[(1, 3971665), (5, 794333), (19, 209035), (95, 41807), (97, 40945), (431, 9215), (485, 8189), (1843, 2155)]