78788668

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{21157}}^1$

素因数の和:21194

約数の個数: 36

約数和(自身を含む): 168840840

約数和(自身を除く): 90052172

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 21157, 42314, 84628, 148099, 296198, 401983, 592396, 803966, 1036693, 1607932, 2073386, 2813881, 4146772, 5627762, 11255524, 19697167, 39394334, 78788668]

約数ペア:

[(1, 78788668), (2, 39394334), (4, 19697167), (7, 11255524), (14, 5627762), (19, 4146772), (28, 2813881), (38, 2073386), (49, 1607932), (76, 1036693), (98, 803966), (133, 592396), (196, 401983), (266, 296198), (532, 148099), (931, 84628), (1862, 42314), (3724, 21157)]