254478756

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{1597}}^1$

素因数の和:1889

約数の個数: 72

約数和(自身を含む): 693710976

約数和(自身を除く): 439232220

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 271, 294, 542, 588, 813, 1084, 1597, 1626, 1897, 3194, 3252, 3794, 4791, 5691, 6388, 7588, 9582, 11179, 11382, 13279, 19164, 22358, 22764, 26558, 33537, 39837, 44716, 53116, 67074, 78253, 79674, 134148, 156506, 159348, 234759, 313012, 432787, 469518, 865574, 939036, 1298361, 1731148, 2596722, 3029509, 5193444, 6059018, 9088527, 12118036, 18177054, 21206563, 36354108, 42413126, 63619689, 84826252, 127239378, 254478756]

約数ペア:

[(1, 254478756), (2, 127239378), (3, 84826252), (4, 63619689), (6, 42413126), (7, 36354108), (12, 21206563), (14, 18177054), (21, 12118036), (28, 9088527), (42, 6059018), (49, 5193444), (84, 3029509), (98, 2596722), (147, 1731148), (196, 1298361), (271, 939036), (294, 865574), (542, 469518), (588, 432787), (813, 313012), (1084, 234759), (1597, 159348), (1626, 156506), (1897, 134148), (3194, 79674), (3252, 78253), (3794, 67074), (4791, 53116), (5691, 44716), (6388, 39837), (7588, 33537), (9582, 26558), (11179, 22764), (11382, 22358), (13279, 19164)]