726551355

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5171}}^1$

素因数の和:5244

約数の個数: 64

約数和(自身を含む): 1340582400

約数和(自身を除く): 614031045

約数列:

[1, 3, 5, 15, 17, 19, 29, 51, 57, 85, 87, 95, 145, 255, 285, 323, 435, 493, 551, 969, 1479, 1615, 1653, 2465, 2755, 4845, 5171, 7395, 8265, 9367, 15513, 25855, 28101, 46835, 77565, 87907, 98249, 140505, 149959, 263721, 294747, 439535, 449877, 491245, 749795, 1318605, 1473735, 1670233, 2249385, 2549303, 2849221, 5010699, 7647909, 8351165, 8547663, 12746515, 14246105, 25053495, 38239545, 42738315, 48436757, 145310271, 242183785, 726551355]

約数ペア:

[(1, 726551355), (3, 242183785), (5, 145310271), (15, 48436757), (17, 42738315), (19, 38239545), (29, 25053495), (51, 14246105), (57, 12746515), (85, 8547663), (87, 8351165), (95, 7647909), (145, 5010699), (255, 2849221), (285, 2549303), (323, 2249385), (435, 1670233), (493, 1473735), (551, 1318605), (969, 749795), (1479, 491245), (1615, 449877), (1653, 439535), (2465, 294747), (2755, 263721), (4845, 149959), (5171, 140505), (7395, 98249), (8265, 87907), (9367, 77565), (15513, 46835), (25855, 28101)]