278857044

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1541

約数の個数: 72

約数和(自身を含む): 724389120

約数和(自身を除く): 445532076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 79, 142, 158, 213, 237, 284, 316, 426, 474, 639, 711, 852, 948, 1278, 1381, 1422, 2556, 2762, 2844, 4143, 5524, 5609, 8286, 11218, 12429, 16572, 16827, 22436, 24858, 33654, 49716, 50481, 67308, 98051, 100962, 109099, 196102, 201924, 218198, 294153, 327297, 392204, 436396, 588306, 654594, 882459, 981891, 1176612, 1309188, 1764918, 1963782, 3529836, 3927564, 7746029, 15492058, 23238087, 30984116, 46476174, 69714261, 92952348, 139428522, 278857044]

約数ペア:

[(1, 278857044), (2, 139428522), (3, 92952348), (4, 69714261), (6, 46476174), (9, 30984116), (12, 23238087), (18, 15492058), (36, 7746029), (71, 3927564), (79, 3529836), (142, 1963782), (158, 1764918), (213, 1309188), (237, 1176612), (284, 981891), (316, 882459), (426, 654594), (474, 588306), (639, 436396), (711, 392204), (852, 327297), (948, 294153), (1278, 218198), (1381, 201924), (1422, 196102), (2556, 109099), (2762, 100962), (2844, 98051), (4143, 67308), (5524, 50481), (5609, 49716), (8286, 33654), (11218, 24858), (12429, 22436), (16572, 16827)]