161967311

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 192595968

約数和(自身を除く): 30628657

約数列:

[1, 11, 23, 47, 53, 253, 257, 517, 583, 1081, 1219, 2491, 2827, 5911, 11891, 12079, 13409, 13621, 27401, 57293, 65021, 132869, 149831, 277817, 313283, 630223, 640187, 3055987, 3446113, 7042057, 14724301, 161967311]

約数ペア:

[(1, 161967311), (11, 14724301), (23, 7042057), (47, 3446113), (53, 3055987), (253, 640187), (257, 630223), (517, 313283), (583, 277817), (1081, 149831), (1219, 132869), (2491, 65021), (2827, 57293), (5911, 27401), (11891, 13621), (12079, 13409)]