1288390708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{1301}}^1$

素因数の和:1704

約数の個数: 48

約数和(自身を含む): 2504089728

約数和(自身を除く): 1215699020

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 317, 634, 781, 1268, 1301, 1562, 2602, 3124, 3487, 5204, 6974, 13948, 14311, 22507, 28622, 45014, 57244, 90028, 92371, 184742, 247577, 369484, 412417, 495154, 824834, 990308, 1016081, 1649668, 2032162, 4064324, 4536587, 9073174, 18146348, 29281607, 58563214, 117126428, 322097677, 644195354, 1288390708]

約数ペア:

[(1, 1288390708), (2, 644195354), (4, 322097677), (11, 117126428), (22, 58563214), (44, 29281607), (71, 18146348), (142, 9073174), (284, 4536587), (317, 4064324), (634, 2032162), (781, 1649668), (1268, 1016081), (1301, 990308), (1562, 824834), (2602, 495154), (3124, 412417), (3487, 369484), (5204, 247577), (6974, 184742), (13948, 92371), (14311, 90028), (22507, 57244), (28622, 45014)]