281840976

素因数分解:

$2^4\times 3^2\times {\mathrm{421}}^1\times {\mathrm{4649}}^1$

素因数の和:5084

約数の個数: 60

約数和(自身を含む): 790806900

約数和(自身を除く): 508965924

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 421, 842, 1263, 1684, 2526, 3368, 3789, 4649, 5052, 6736, 7578, 9298, 10104, 13947, 15156, 18596, 20208, 27894, 30312, 37192, 41841, 55788, 60624, 74384, 83682, 111576, 167364, 223152, 334728, 669456, 1957229, 3914458, 5871687, 7828916, 11743374, 15657832, 17615061, 23486748, 31315664, 35230122, 46973496, 70460244, 93946992, 140920488, 281840976]

約数ペア:

[(1, 281840976), (2, 140920488), (3, 93946992), (4, 70460244), (6, 46973496), (8, 35230122), (9, 31315664), (12, 23486748), (16, 17615061), (18, 15657832), (24, 11743374), (36, 7828916), (48, 5871687), (72, 3914458), (144, 1957229), (421, 669456), (842, 334728), (1263, 223152), (1684, 167364), (2526, 111576), (3368, 83682), (3789, 74384), (4649, 60624), (5052, 55788), (6736, 41841), (7578, 37192), (9298, 30312), (10104, 27894), (13947, 20208), (15156, 18596)]