1291238835

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1\times {\mathrm{1291}}^1$

素因数の和:1939

約数の個数: 32

約数和(自身を含む): 2087458560

約数和(自身を除く): 796219725

約数列:

[1, 3, 5, 15, 131, 393, 509, 655, 1291, 1527, 1965, 2545, 3873, 6455, 7635, 19365, 66679, 169121, 200037, 333395, 507363, 657119, 845605, 1000185, 1971357, 2536815, 3285595, 9856785, 86082589, 258247767, 430412945, 1291238835]

約数ペア:

[(1, 1291238835), (3, 430412945), (5, 258247767), (15, 86082589), (131, 9856785), (393, 3285595), (509, 2536815), (655, 1971357), (1291, 1000185), (1527, 845605), (1965, 657119), (2545, 507363), (3873, 333395), (6455, 200037), (7635, 169121), (19365, 66679)]