78427916

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1289}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 163840320

約数和(自身を除く): 85412404

約数列:

[1, 2, 4, 7, 14, 28, 41, 53, 82, 106, 164, 212, 287, 371, 574, 742, 1148, 1289, 1484, 2173, 2578, 4346, 5156, 8692, 9023, 15211, 18046, 30422, 36092, 52849, 60844, 68317, 105698, 136634, 211396, 273268, 369943, 478219, 739886, 956438, 1479772, 1912876, 2800997, 5601994, 11203988, 19606979, 39213958, 78427916]

約数ペア:

[(1, 78427916), (2, 39213958), (4, 19606979), (7, 11203988), (14, 5601994), (28, 2800997), (41, 1912876), (53, 1479772), (82, 956438), (106, 739886), (164, 478219), (212, 369943), (287, 273268), (371, 211396), (574, 136634), (742, 105698), (1148, 68317), (1289, 60844), (1484, 52849), (2173, 36092), (2578, 30422), (4346, 18046), (5156, 15211), (8692, 9023)]