388764548

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{353}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 737056320

約数和(自身を除く): 348291772

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 337, 353, 674, 706, 817, 1348, 1412, 1634, 3268, 6403, 6707, 12806, 13414, 14491, 15179, 25612, 26828, 28982, 30358, 57964, 60716, 118961, 237922, 275329, 288401, 475844, 550658, 576802, 1101316, 1153604, 2260259, 4520518, 5115323, 9041036, 10230646, 20461292, 97191137, 194382274, 388764548]

約数ペア:

[(1, 388764548), (2, 194382274), (4, 97191137), (19, 20461292), (38, 10230646), (43, 9041036), (76, 5115323), (86, 4520518), (172, 2260259), (337, 1153604), (353, 1101316), (674, 576802), (706, 550658), (817, 475844), (1348, 288401), (1412, 275329), (1634, 237922), (3268, 118961), (6403, 60716), (6707, 57964), (12806, 30358), (13414, 28982), (14491, 26828), (15179, 25612)]