204515906

素因数分解:

$2^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{4957}}^1$

素因数の和:5394

約数の個数: 24

約数和(自身を含む): 357779196

約数和(自身を除く): 153263290

約数列:

[1, 2, 7, 14, 49, 98, 421, 842, 2947, 4957, 5894, 9914, 20629, 34699, 41258, 69398, 242893, 485786, 2086897, 4173794, 14608279, 29216558, 102257953, 204515906]

約数ペア:

[(1, 204515906), (2, 102257953), (7, 29216558), (14, 14608279), (49, 4173794), (98, 2086897), (421, 485786), (842, 242893), (2947, 69398), (4957, 41258), (5894, 34699), (9914, 20629)]