81607876

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1061}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 169852032

約数和(自身を除く): 88244156

約数列:

[1, 2, 4, 7, 14, 28, 41, 67, 82, 134, 164, 268, 287, 469, 574, 938, 1061, 1148, 1876, 2122, 2747, 4244, 5494, 7427, 10988, 14854, 19229, 29708, 38458, 43501, 71087, 76916, 87002, 142174, 174004, 284348, 304507, 497609, 609014, 995218, 1218028, 1990436, 2914567, 5829134, 11658268, 20401969, 40803938, 81607876]

約数ペア:

[(1, 81607876), (2, 40803938), (4, 20401969), (7, 11658268), (14, 5829134), (28, 2914567), (41, 1990436), (67, 1218028), (82, 995218), (134, 609014), (164, 497609), (268, 304507), (287, 284348), (469, 174004), (574, 142174), (938, 87002), (1061, 76916), (1148, 71087), (1876, 43501), (2122, 38458), (2747, 29708), (4244, 19229), (5494, 14854), (7427, 10988)]