16781954

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 29986176

約数和(自身を除く): 13204222

約数列:

[1, 2, 7, 14, 43, 61, 86, 122, 301, 427, 457, 602, 854, 914, 2623, 3199, 5246, 6398, 18361, 19651, 27877, 36722, 39302, 55754, 137557, 195139, 275114, 390278, 1198711, 2397422, 8390977, 16781954]

約数ペア:

[(1, 16781954), (2, 8390977), (7, 2397422), (14, 1198711), (43, 390278), (61, 275114), (86, 195139), (122, 137557), (301, 55754), (427, 39302), (457, 36722), (602, 27877), (854, 19651), (914, 18361), (2623, 6398), (3199, 5246)]