261137520007

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1\times {\mathrm{599}}^1$

素因数の和:1065

約数の個数: 96

約数和(自身を含む): 343874160000

約数和(自身を除く): 82736639993

約数列:

[1, 7, 13, 37, 49, 53, 91, 259, 349, 371, 481, 599, 637, 689, 1813, 1961, 2443, 2597, 3367, 4193, 4537, 4823, 7787, 12913, 13727, 17101, 18497, 22163, 23569, 25493, 29351, 31747, 31759, 33761, 54509, 90391, 96089, 129479, 155141, 167869, 178451, 209051, 222229, 222313, 240461, 288119, 381563, 412711, 632737, 684389, 906353, 1085987, 1174639, 1175083, 1249157, 1463357, 1555603, 1683227, 2016833, 2717663, 2888977, 4790723, 7734887, 8222473, 8225581, 8897057, 10243499, 11079703, 11782589, 14117831, 15270307, 19023641, 20222839, 33535061, 54144209, 57557311, 62279399, 77557921, 100553531, 106892149, 133165487, 144036139, 379009463, 409949011, 435955793, 542905447, 703874717, 748245043, 1008252973, 2869643077, 4927123019, 5329337143, 7057770811, 20087501539, 37305360001, 261137520007]

約数ペア:

[(1, 261137520007), (7, 37305360001), (13, 20087501539), (37, 7057770811), (49, 5329337143), (53, 4927123019), (91, 2869643077), (259, 1008252973), (349, 748245043), (371, 703874717), (481, 542905447), (599, 435955793), (637, 409949011), (689, 379009463), (1813, 144036139), (1961, 133165487), (2443, 106892149), (2597, 100553531), (3367, 77557921), (4193, 62279399), (4537, 57557311), (4823, 54144209), (7787, 33535061), (12913, 20222839), (13727, 19023641), (17101, 15270307), (18497, 14117831), (22163, 11782589), (23569, 11079703), (25493, 10243499), (29351, 8897057), (31747, 8225581), (31759, 8222473), (33761, 7734887), (54509, 4790723), (90391, 2888977), (96089, 2717663), (129479, 2016833), (155141, 1683227), (167869, 1555603), (178451, 1463357), (209051, 1249157), (222229, 1175083), (222313, 1174639), (240461, 1085987), (288119, 906353), (381563, 684389), (412711, 632737)]