127657985

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 193914000

約数和(自身を除く): 66256015

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 149, 245, 269, 455, 637, 745, 1043, 1345, 1883, 1937, 3185, 3497, 5215, 7301, 9415, 9685, 13181, 13559, 17485, 24479, 36505, 40081, 65905, 67795, 94913, 122395, 171353, 200405, 280567, 474565, 521053, 856765, 1402835, 1963969, 2605265, 3647371, 9819845, 18236855, 25531597, 127657985]

約数ペア:

[(1, 127657985), (5, 25531597), (7, 18236855), (13, 9819845), (35, 3647371), (49, 2605265), (65, 1963969), (91, 1402835), (149, 856765), (245, 521053), (269, 474565), (455, 280567), (637, 200405), (745, 171353), (1043, 122395), (1345, 94913), (1883, 67795), (1937, 65905), (3185, 40081), (3497, 36505), (5215, 24479), (7301, 17485), (9415, 13559), (9685, 13181)]