278319206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 507617280

約数和(自身を除く): 229298074

約数列:

[1, 2, 11, 17, 22, 29, 34, 58, 67, 134, 187, 319, 374, 383, 493, 638, 737, 766, 986, 1139, 1474, 1943, 2278, 3886, 4213, 5423, 6511, 8426, 10846, 11107, 12529, 13022, 21373, 22214, 25058, 25661, 33031, 42746, 51322, 66062, 71621, 122177, 143242, 188819, 244354, 282271, 363341, 377638, 436237, 564542, 726682, 744169, 872474, 1488338, 2077009, 4154018, 4798607, 8185859, 9597214, 12650873, 16371718, 25301746, 139159603, 278319206]

約数ペア:

[(1, 278319206), (2, 139159603), (11, 25301746), (17, 16371718), (22, 12650873), (29, 9597214), (34, 8185859), (58, 4798607), (67, 4154018), (134, 2077009), (187, 1488338), (319, 872474), (374, 744169), (383, 726682), (493, 564542), (638, 436237), (737, 377638), (766, 363341), (986, 282271), (1139, 244354), (1474, 188819), (1943, 143242), (2278, 122177), (3886, 71621), (4213, 66062), (5423, 51322), (6511, 42746), (8426, 33031), (10846, 25661), (11107, 25058), (12529, 22214), (13022, 21373)]