1980616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 4121280

約数和(自身を除く): 2140664

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 317, 568, 634, 781, 1268, 1562, 2536, 3124, 3487, 6248, 6974, 13948, 22507, 27896, 45014, 90028, 180056, 247577, 495154, 990308, 1980616]

約数ペア:

[(1, 1980616), (2, 990308), (4, 495154), (8, 247577), (11, 180056), (22, 90028), (44, 45014), (71, 27896), (88, 22507), (142, 13948), (284, 6974), (317, 6248), (568, 3487), (634, 3124), (781, 2536), (1268, 1562)]