28750553

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 6811687

約数列:

[1, 13, 17, 19, 41, 167, 221, 247, 323, 533, 697, 779, 2171, 2839, 3173, 4199, 6847, 9061, 10127, 13243, 36907, 41249, 53941, 89011, 116399, 130093, 172159, 701233, 1513187, 1691209, 2211581, 28750553]

約数ペア:

[(1, 28750553), (13, 2211581), (17, 1691209), (19, 1513187), (41, 701233), (167, 172159), (221, 130093), (247, 116399), (323, 89011), (533, 53941), (697, 41249), (779, 36907), (2171, 13243), (2839, 10127), (3173, 9061), (4199, 6847)]