259675143

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 440681472

約数和(自身を除く): 181006329

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 131, 137, 159, 273, 371, 393, 411, 689, 917, 959, 1113, 1703, 1781, 2067, 2751, 2877, 4823, 5109, 5343, 6943, 7261, 11921, 12467, 14469, 17947, 20829, 21783, 35763, 37401, 48601, 50827, 53841, 90259, 94393, 125629, 145803, 152481, 233311, 270777, 283179, 376887, 631813, 660751, 699933, 951191, 1633177, 1895439, 1982253, 2853573, 4899531, 6658337, 12365483, 19975011, 37096449, 86558381, 259675143]

約数ペア:

[(1, 259675143), (3, 86558381), (7, 37096449), (13, 19975011), (21, 12365483), (39, 6658337), (53, 4899531), (91, 2853573), (131, 1982253), (137, 1895439), (159, 1633177), (273, 951191), (371, 699933), (393, 660751), (411, 631813), (689, 376887), (917, 283179), (959, 270777), (1113, 233311), (1703, 152481), (1781, 145803), (2067, 125629), (2751, 94393), (2877, 90259), (4823, 53841), (5109, 50827), (5343, 48601), (6943, 37401), (7261, 35763), (11921, 21783), (12467, 20829), (14469, 17947)]