1296997

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 16

約数和(自身を含む): 1512000

約数和(自身を除く): 215003

約数列:

[1, 13, 19, 59, 89, 247, 767, 1121, 1157, 1691, 5251, 14573, 21983, 68263, 99769, 1296997]

約数ペア:

[(1, 1296997), (13, 99769), (19, 68263), (59, 21983), (89, 14573), (247, 5251), (767, 1691), (1121, 1157)]