728838

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:434

約数の個数: 40

約数和(自身を含む): 1785960

約数和(自身を除く): 1057122

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 297, 409, 594, 818, 891, 1227, 1782, 2454, 3681, 4499, 7362, 8998, 11043, 13497, 22086, 26994, 33129, 40491, 66258, 80982, 121473, 242946, 364419, 728838]

約数ペア:

[(1, 728838), (2, 364419), (3, 242946), (6, 121473), (9, 80982), (11, 66258), (18, 40491), (22, 33129), (27, 26994), (33, 22086), (54, 13497), (66, 11043), (81, 8998), (99, 7362), (162, 4499), (198, 3681), (297, 2454), (409, 1782), (594, 1227), (818, 891)]