78387876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1579}}^1$

素因数の和:1793

約数の個数: 72

約数和(自身を含む): 227747520

約数和(自身を除く): 149359644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 591, 788, 1182, 1379, 1579, 1773, 2364, 2758, 3158, 3546, 4137, 4737, 5516, 6316, 7092, 8274, 9474, 11053, 12411, 14211, 16548, 18948, 22106, 24822, 28422, 33159, 44212, 49644, 56844, 66318, 99477, 132636, 198954, 311063, 397908, 622126, 933189, 1244252, 1866378, 2177441, 2799567, 3732756, 4354882, 5599134, 6532323, 8709764, 11198268, 13064646, 19596969, 26129292, 39193938, 78387876]

約数ペア:

[(1, 78387876), (2, 39193938), (3, 26129292), (4, 19596969), (6, 13064646), (7, 11198268), (9, 8709764), (12, 6532323), (14, 5599134), (18, 4354882), (21, 3732756), (28, 2799567), (36, 2177441), (42, 1866378), (63, 1244252), (84, 933189), (126, 622126), (197, 397908), (252, 311063), (394, 198954), (591, 132636), (788, 99477), (1182, 66318), (1379, 56844), (1579, 49644), (1773, 44212), (2364, 33159), (2758, 28422), (3158, 24822), (3546, 22106), (4137, 18948), (4737, 16548), (5516, 14211), (6316, 12411), (7092, 11053), (8274, 9474)]