128382674

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 244270080

約数和(自身を除く): 115887406

約数列:

[1, 2, 7, 14, 17, 34, 37, 61, 74, 119, 122, 238, 239, 259, 427, 478, 518, 629, 854, 1037, 1258, 1673, 2074, 2257, 3346, 4063, 4403, 4514, 7259, 8126, 8806, 8843, 14518, 14579, 15799, 17686, 28441, 29158, 31598, 38369, 56882, 61901, 76738, 102053, 123802, 150331, 204106, 247843, 268583, 300662, 495686, 537166, 539423, 1052317, 1078846, 1734901, 2104634, 3469802, 3775961, 7551922, 9170191, 18340382, 64191337, 128382674]

約数ペア:

[(1, 128382674), (2, 64191337), (7, 18340382), (14, 9170191), (17, 7551922), (34, 3775961), (37, 3469802), (61, 2104634), (74, 1734901), (119, 1078846), (122, 1052317), (238, 539423), (239, 537166), (259, 495686), (427, 300662), (478, 268583), (518, 247843), (629, 204106), (854, 150331), (1037, 123802), (1258, 102053), (1673, 76738), (2074, 61901), (2257, 56882), (3346, 38369), (4063, 31598), (4403, 29158), (4514, 28441), (7259, 17686), (8126, 15799), (8806, 14579), (8843, 14518)]