71680644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{284447}}^1$

素因数の和:284464

約数の個数: 36

約数和(自身を含む): 207078144

約数和(自身を除く): 135397500

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 284447, 568894, 853341, 1137788, 1706682, 1991129, 2560023, 3413364, 3982258, 5120046, 5973387, 7964516, 10240092, 11946774, 17920161, 23893548, 35840322, 71680644]

約数ペア:

[(1, 71680644), (2, 35840322), (3, 23893548), (4, 17920161), (6, 11946774), (7, 10240092), (9, 7964516), (12, 5973387), (14, 5120046), (18, 3982258), (21, 3413364), (28, 2560023), (36, 1991129), (42, 1706682), (63, 1137788), (84, 853341), (126, 568894), (252, 284447)]