138593609

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 178464000

約数和(自身を除く): 39870391

約数列:

[1, 7, 11, 49, 77, 109, 337, 343, 539, 763, 1199, 2359, 3707, 3773, 5341, 8393, 16513, 25949, 36733, 37387, 58751, 115591, 181643, 257131, 404063, 411257, 1271501, 1799917, 2828441, 12599419, 19799087, 138593609]

約数ペア:

[(1, 138593609), (7, 19799087), (11, 12599419), (49, 2828441), (77, 1799917), (109, 1271501), (337, 411257), (343, 404063), (539, 257131), (763, 181643), (1199, 115591), (2359, 58751), (3707, 37387), (3773, 36733), (5341, 25949), (8393, 16513)]