221493456

素因数分解:

$2^4\times 3^2\times {\mathrm{419}}^1\times {\mathrm{3671}}^1$

素因数の和:4104

約数の個数: 60

約数和(自身を含む): 621522720

約数和(自身を除く): 400029264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 419, 838, 1257, 1676, 2514, 3352, 3671, 3771, 5028, 6704, 7342, 7542, 10056, 11013, 14684, 15084, 20112, 22026, 29368, 30168, 33039, 44052, 58736, 60336, 66078, 88104, 132156, 176208, 264312, 528624, 1538149, 3076298, 4614447, 6152596, 9228894, 12305192, 13843341, 18457788, 24610384, 27686682, 36915576, 55373364, 73831152, 110746728, 221493456]

約数ペア:

[(1, 221493456), (2, 110746728), (3, 73831152), (4, 55373364), (6, 36915576), (8, 27686682), (9, 24610384), (12, 18457788), (16, 13843341), (18, 12305192), (24, 9228894), (36, 6152596), (48, 4614447), (72, 3076298), (144, 1538149), (419, 528624), (838, 264312), (1257, 176208), (1676, 132156), (2514, 88104), (3352, 66078), (3671, 60336), (3771, 58736), (5028, 44052), (6704, 33039), (7342, 30168), (7542, 29368), (10056, 22026), (11013, 20112), (14684, 15084)]