221468503

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 252648720

約数和(自身を除く): 31180217

約数列:

[1, 17, 19, 53, 289, 323, 761, 901, 1007, 5491, 12937, 14459, 15317, 17119, 40333, 219929, 245803, 291023, 685661, 766327, 4178651, 11656237, 13027559, 221468503]

約数ペア:

[(1, 221468503), (17, 13027559), (19, 11656237), (53, 4178651), (289, 766327), (323, 685661), (761, 291023), (901, 245803), (1007, 219929), (5491, 40333), (12937, 17119), (14459, 15317)]