7903854

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:585

約数の個数: 48

約数和(自身を含む): 19749600

約数和(自身を除く): 11845746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 149, 298, 421, 447, 842, 894, 1043, 1263, 1341, 2086, 2526, 2682, 2947, 3129, 3789, 5894, 6258, 7578, 8841, 9387, 17682, 18774, 26523, 53046, 62729, 125458, 188187, 376374, 439103, 564561, 878206, 1129122, 1317309, 2634618, 3951927, 7903854]

約数ペア:

[(1, 7903854), (2, 3951927), (3, 2634618), (6, 1317309), (7, 1129122), (9, 878206), (14, 564561), (18, 439103), (21, 376374), (42, 188187), (63, 125458), (126, 62729), (149, 53046), (298, 26523), (421, 18774), (447, 17682), (842, 9387), (894, 8841), (1043, 7578), (1263, 6258), (1341, 5894), (2086, 3789), (2526, 3129), (2682, 2947)]