281132012

素因数分解:

$2^2\times 7^2\times {\mathrm{421}}^1\times {\mathrm{3407}}^1$

素因数の和:3846

約数の個数: 36

約数和(自身を含む): 573832224

約数和(自身を除く): 292700212

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 421, 842, 1684, 2947, 3407, 5894, 6814, 11788, 13628, 20629, 23849, 41258, 47698, 82516, 95396, 166943, 333886, 667772, 1434347, 2868694, 5737388, 10040429, 20080858, 40161716, 70283003, 140566006, 281132012]

約数ペア:

[(1, 281132012), (2, 140566006), (4, 70283003), (7, 40161716), (14, 20080858), (28, 10040429), (49, 5737388), (98, 2868694), (196, 1434347), (421, 667772), (842, 333886), (1684, 166943), (2947, 95396), (3407, 82516), (5894, 47698), (6814, 41258), (11788, 23849), (13628, 20629)]