23971997

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:800

約数の個数: 16

約数和(自身を含む): 28200960

約数和(自身を除く): 4228963

約数列:

[1, 7, 67, 79, 469, 553, 647, 4529, 5293, 37051, 43349, 51113, 303443, 357791, 3424571, 23971997]

約数ペア:

[(1, 23971997), (7, 3424571), (67, 357791), (79, 303443), (469, 51113), (553, 43349), (647, 37051), (4529, 5293)]