331374407

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 435439872

約数和(自身を除く): 104065465

約数列:

[1, 7, 13, 31, 49, 91, 97, 173, 217, 403, 637, 679, 1211, 1261, 1519, 2249, 2821, 3007, 4753, 5363, 8477, 8827, 15743, 16781, 19747, 21049, 37541, 39091, 61789, 69719, 110201, 117467, 147343, 218153, 262787, 273637, 488033, 520211, 822269, 1527071, 1915459, 3416231, 3641477, 6762743, 10689497, 25490339, 47339201, 331374407]

約数ペア:

[(1, 331374407), (7, 47339201), (13, 25490339), (31, 10689497), (49, 6762743), (91, 3641477), (97, 3416231), (173, 1915459), (217, 1527071), (403, 822269), (637, 520211), (679, 488033), (1211, 273637), (1261, 262787), (1519, 218153), (2249, 147343), (2821, 117467), (3007, 110201), (4753, 69719), (5363, 61789), (8477, 39091), (8827, 37541), (15743, 21049), (16781, 19747)]