128401279

素因数分解:

${\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 134321760

約数和(自身を除く): 5920481

約数列:

[1, 61, 67, 89, 353, 4087, 5429, 5963, 21533, 23651, 31417, 363743, 1442711, 1916437, 2104939, 128401279]

約数ペア:

[(1, 128401279), (61, 2104939), (67, 1916437), (89, 1442711), (353, 363743), (4087, 31417), (5429, 23651), (5963, 21533)]