289399279

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^3$

素因数の和:172

約数の個数: 32

約数和(自身を含む): 356045760

約数和(自身を除く): 66646481

約数列:

[1, 13, 17, 19, 41, 221, 247, 323, 533, 697, 779, 1681, 4199, 9061, 10127, 13243, 21853, 28577, 31939, 68921, 172159, 371501, 415207, 542963, 895973, 1171657, 1309499, 7058519, 15231541, 17023487, 22261483, 289399279]

約数ペア:

[(1, 289399279), (13, 22261483), (17, 17023487), (19, 15231541), (41, 7058519), (221, 1309499), (247, 1171657), (323, 895973), (533, 542963), (697, 415207), (779, 371501), (1681, 172159), (4199, 68921), (9061, 31939), (10127, 28577), (13243, 21853)]