131295456

素因数分解:

$2^5\times 3^2\times {\mathrm{643}}^1\times {\mathrm{709}}^1$

素因数の和:1368

約数の個数: 72

約数和(自身を含む): 374479560

約数和(自身を除く): 243184104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 643, 709, 1286, 1418, 1929, 2127, 2572, 2836, 3858, 4254, 5144, 5672, 5787, 6381, 7716, 8508, 10288, 11344, 11574, 12762, 15432, 17016, 20576, 22688, 23148, 25524, 30864, 34032, 46296, 51048, 61728, 68064, 92592, 102096, 185184, 204192, 455887, 911774, 1367661, 1823548, 2735322, 3647096, 4102983, 5470644, 7294192, 8205966, 10941288, 14588384, 16411932, 21882576, 32823864, 43765152, 65647728, 131295456]

約数ペア:

[(1, 131295456), (2, 65647728), (3, 43765152), (4, 32823864), (6, 21882576), (8, 16411932), (9, 14588384), (12, 10941288), (16, 8205966), (18, 7294192), (24, 5470644), (32, 4102983), (36, 3647096), (48, 2735322), (72, 1823548), (96, 1367661), (144, 911774), (288, 455887), (643, 204192), (709, 185184), (1286, 102096), (1418, 92592), (1929, 68064), (2127, 61728), (2572, 51048), (2836, 46296), (3858, 34032), (4254, 30864), (5144, 25524), (5672, 23148), (5787, 22688), (6381, 20576), (7716, 17016), (8508, 15432), (10288, 12762), (11344, 11574)]