258793376

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{853}}^1$

素因数の和:1381

約数の個数: 48

約数和(自身を含む): 538020000

約数和(自身を除く): 279226624

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 499, 608, 853, 998, 1706, 1996, 3412, 3992, 6824, 7984, 9481, 13648, 15968, 16207, 18962, 27296, 32414, 37924, 64828, 75848, 129656, 151696, 259312, 303392, 425647, 518624, 851294, 1702588, 3405176, 6810352, 8087293, 13620704, 16174586, 32349172, 64698344, 129396688, 258793376]

約数ペア:

[(1, 258793376), (2, 129396688), (4, 64698344), (8, 32349172), (16, 16174586), (19, 13620704), (32, 8087293), (38, 6810352), (76, 3405176), (152, 1702588), (304, 851294), (499, 518624), (608, 425647), (853, 303392), (998, 259312), (1706, 151696), (1996, 129656), (3412, 75848), (3992, 64828), (6824, 37924), (7984, 32414), (9481, 27296), (13648, 18962), (15968, 16207)]