78680378

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 145675584

約数和(自身を除く): 66995206

約数列:

[1, 2, 7, 14, 23, 46, 49, 67, 98, 134, 161, 322, 469, 521, 938, 1042, 1127, 1541, 2254, 3082, 3283, 3647, 6566, 7294, 10787, 11983, 21574, 23966, 25529, 34907, 51058, 69814, 75509, 83881, 151018, 167762, 244349, 488698, 587167, 802861, 1174334, 1605722, 1710443, 3420886, 5620027, 11240054, 39340189, 78680378]

約数ペア:

[(1, 78680378), (2, 39340189), (7, 11240054), (14, 5620027), (23, 3420886), (46, 1710443), (49, 1605722), (67, 1174334), (98, 802861), (134, 587167), (161, 488698), (322, 244349), (469, 167762), (521, 151018), (938, 83881), (1042, 75509), (1127, 69814), (1541, 51058), (2254, 34907), (3082, 25529), (3283, 23966), (3647, 21574), (6566, 11983), (7294, 10787)]