642911416

素因数分解:

$2^3\times 7^1\times {\mathrm{541}}^1\times {\mathrm{21221}}^1$

素因数の和:21775

約数の個数: 32

約数和(自身を含む): 1380278880

約数和(自身を除く): 737367464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 541, 1082, 2164, 3787, 4328, 7574, 15148, 21221, 30296, 42442, 84884, 148547, 169768, 297094, 594188, 1188376, 11480561, 22961122, 45922244, 80363927, 91844488, 160727854, 321455708, 642911416]

約数ペア:

[(1, 642911416), (2, 321455708), (4, 160727854), (7, 91844488), (8, 80363927), (14, 45922244), (28, 22961122), (56, 11480561), (541, 1188376), (1082, 594188), (2164, 297094), (3787, 169768), (4328, 148547), (7574, 84884), (15148, 42442), (21221, 30296)]