129396688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{853}}^1$

素因数の和:1379

約数の個数: 40

約数和(自身を含む): 264740000

約数和(自身を除く): 135343312

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 499, 853, 998, 1706, 1996, 3412, 3992, 6824, 7984, 9481, 13648, 16207, 18962, 32414, 37924, 64828, 75848, 129656, 151696, 259312, 425647, 851294, 1702588, 3405176, 6810352, 8087293, 16174586, 32349172, 64698344, 129396688]

約数ペア:

[(1, 129396688), (2, 64698344), (4, 32349172), (8, 16174586), (16, 8087293), (19, 6810352), (38, 3405176), (76, 1702588), (152, 851294), (304, 425647), (499, 259312), (853, 151696), (998, 129656), (1706, 75848), (1996, 64828), (3412, 37924), (3992, 32414), (6824, 18962), (7984, 16207), (9481, 13648)]