78726158

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 146633184

約数和(自身を除く): 67907026

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 361, 421, 518, 703, 722, 842, 1406, 2527, 2947, 4921, 5054, 5894, 7999, 9842, 13357, 15577, 15998, 26714, 31154, 55993, 93499, 109039, 111986, 151981, 186998, 218078, 295963, 303962, 591926, 1063867, 2071741, 2127734, 4143482, 5623297, 11246594, 39363079, 78726158]

約数ペア:

[(1, 78726158), (2, 39363079), (7, 11246594), (14, 5623297), (19, 4143482), (37, 2127734), (38, 2071741), (74, 1063867), (133, 591926), (259, 303962), (266, 295963), (361, 218078), (421, 186998), (518, 151981), (703, 111986), (722, 109039), (842, 93499), (1406, 55993), (2527, 31154), (2947, 26714), (4921, 15998), (5054, 15577), (5894, 13357), (7999, 9842)]