291255978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3331}}^1$

素因数の和:3427

約数の個数: 64

約数和(自身を含む): 671731200

約数和(自身を除く): 380475222

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 59, 78, 114, 118, 177, 247, 354, 494, 741, 767, 1121, 1482, 1534, 2242, 2301, 3331, 3363, 4602, 6662, 6726, 9993, 14573, 19986, 29146, 43303, 43719, 63289, 86606, 87438, 126578, 129909, 189867, 196529, 259818, 379734, 393058, 589587, 822757, 1179174, 1645514, 2468271, 2554877, 3734051, 4936542, 5109754, 7468102, 7664631, 11202153, 15329262, 22404306, 48542663, 97085326, 145627989, 291255978]

約数ペア:

[(1, 291255978), (2, 145627989), (3, 97085326), (6, 48542663), (13, 22404306), (19, 15329262), (26, 11202153), (38, 7664631), (39, 7468102), (57, 5109754), (59, 4936542), (78, 3734051), (114, 2554877), (118, 2468271), (177, 1645514), (247, 1179174), (354, 822757), (494, 589587), (741, 393058), (767, 379734), (1121, 259818), (1482, 196529), (1534, 189867), (2242, 129909), (2301, 126578), (3331, 87438), (3363, 86606), (4602, 63289), (6662, 43719), (6726, 43303), (9993, 29146), (14573, 19986)]