809781830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1543}}^1$

素因数の和:1941

約数の個数: 64

約数和(自身を含む): 1718212608

約数和(自身を除く): 908430778

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 367, 715, 734, 1430, 1543, 1835, 3086, 3670, 4037, 4771, 7715, 8074, 9542, 15430, 16973, 20059, 20185, 23855, 33946, 40118, 40370, 47710, 52481, 84865, 100295, 104962, 169730, 200590, 220649, 262405, 441298, 524810, 566281, 1103245, 1132562, 2206490, 2831405, 5662810, 6229091, 7361653, 12458182, 14723306, 31145455, 36808265, 62290910, 73616530, 80978183, 161956366, 404890915, 809781830]

約数ペア:

[(1, 809781830), (2, 404890915), (5, 161956366), (10, 80978183), (11, 73616530), (13, 62290910), (22, 36808265), (26, 31145455), (55, 14723306), (65, 12458182), (110, 7361653), (130, 6229091), (143, 5662810), (286, 2831405), (367, 2206490), (715, 1132562), (734, 1103245), (1430, 566281), (1543, 524810), (1835, 441298), (3086, 262405), (3670, 220649), (4037, 200590), (4771, 169730), (7715, 104962), (8074, 100295), (9542, 84865), (15430, 52481), (16973, 47710), (20059, 40370), (20185, 40118), (23855, 33946)]