205121384

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{151717}}^1$

素因数の和:151749

約数の個数: 24

約数和(自身を含む): 416465910

約数和(自身を除く): 211344526

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 151717, 303434, 606868, 1213736, 1972321, 3944642, 7889284, 15778568, 25640173, 51280346, 102560692, 205121384]

約数ペア:

[(1, 205121384), (2, 102560692), (4, 51280346), (8, 25640173), (13, 15778568), (26, 7889284), (52, 3944642), (104, 1972321), (169, 1213736), (338, 606868), (676, 303434), (1352, 151717)]