72421804

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 162709008

約数和(自身を除く): 90287204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 49, 52, 86, 91, 98, 172, 182, 196, 301, 364, 559, 602, 637, 661, 1118, 1204, 1274, 1322, 2107, 2236, 2548, 2644, 3913, 4214, 4627, 7826, 8428, 8593, 9254, 15652, 17186, 18508, 27391, 28423, 32389, 34372, 54782, 56846, 60151, 64778, 109564, 113692, 120302, 129556, 198961, 240604, 369499, 397922, 421057, 738998, 795844, 842114, 1392727, 1477996, 1684228, 2586493, 2785454, 5172986, 5570908, 10345972, 18105451, 36210902, 72421804]

約数ペア:

[(1, 72421804), (2, 36210902), (4, 18105451), (7, 10345972), (13, 5570908), (14, 5172986), (26, 2785454), (28, 2586493), (43, 1684228), (49, 1477996), (52, 1392727), (86, 842114), (91, 795844), (98, 738998), (172, 421057), (182, 397922), (196, 369499), (301, 240604), (364, 198961), (559, 129556), (602, 120302), (637, 113692), (661, 109564), (1118, 64778), (1204, 60151), (1274, 56846), (1322, 54782), (2107, 34372), (2236, 32389), (2548, 28423), (2644, 27391), (3913, 18508), (4214, 17186), (4627, 15652), (7826, 9254), (8428, 8593)]