16581456

素因数分解:

$2^4\times 3^3\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:441

約数の個数: 80

約数和(自身を含む): 48121920

約数和(自身を除く): 31540464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 131, 144, 216, 262, 293, 393, 432, 524, 586, 786, 879, 1048, 1172, 1179, 1572, 1758, 2096, 2344, 2358, 2637, 3144, 3516, 3537, 4688, 4716, 5274, 6288, 7032, 7074, 7911, 9432, 10548, 14064, 14148, 15822, 18864, 21096, 28296, 31644, 38383, 42192, 56592, 63288, 76766, 115149, 126576, 153532, 230298, 307064, 345447, 460596, 614128, 690894, 921192, 1036341, 1381788, 1842384, 2072682, 2763576, 4145364, 5527152, 8290728, 16581456]

約数ペア:

[(1, 16581456), (2, 8290728), (3, 5527152), (4, 4145364), (6, 2763576), (8, 2072682), (9, 1842384), (12, 1381788), (16, 1036341), (18, 921192), (24, 690894), (27, 614128), (36, 460596), (48, 345447), (54, 307064), (72, 230298), (108, 153532), (131, 126576), (144, 115149), (216, 76766), (262, 63288), (293, 56592), (393, 42192), (432, 38383), (524, 31644), (586, 28296), (786, 21096), (879, 18864), (1048, 15822), (1172, 14148), (1179, 14064), (1572, 10548), (1758, 9432), (2096, 7911), (2344, 7074), (2358, 7032), (2637, 6288), (3144, 5274), (3516, 4716), (3537, 4688)]