1278439491

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4597}}^1$

素因数の和:4684

約数の個数: 64

約数和(自身を含む): 2224696320

約数和(自身を除く): 946256829

約数列:

[1, 3, 7, 17, 19, 21, 41, 51, 57, 119, 123, 133, 287, 323, 357, 399, 697, 779, 861, 969, 2091, 2261, 2337, 4597, 4879, 5453, 6783, 13243, 13791, 14637, 16359, 32179, 39729, 78149, 87343, 92701, 96537, 188477, 234447, 262029, 278103, 547043, 565431, 611401, 1319339, 1484831, 1641129, 1834203, 3204109, 3581063, 3958017, 4454493, 9612327, 10393817, 10743189, 22428763, 25067441, 31181451, 60878071, 67286289, 75202323, 182634213, 426146497, 1278439491]

約数ペア:

[(1, 1278439491), (3, 426146497), (7, 182634213), (17, 75202323), (19, 67286289), (21, 60878071), (41, 31181451), (51, 25067441), (57, 22428763), (119, 10743189), (123, 10393817), (133, 9612327), (287, 4454493), (323, 3958017), (357, 3581063), (399, 3204109), (697, 1834203), (779, 1641129), (861, 1484831), (969, 1319339), (2091, 611401), (2261, 565431), (2337, 547043), (4597, 278103), (4879, 262029), (5453, 234447), (6783, 188477), (13243, 96537), (13791, 92701), (14637, 87343), (16359, 78149), (32179, 39729)]