128550922

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{431}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 209018880

約数和(自身を除く): 80467958

約数列:

[1, 2, 19, 38, 47, 94, 167, 334, 431, 862, 893, 1786, 3173, 6346, 7849, 8189, 15698, 16378, 20257, 40514, 71977, 143954, 149131, 298262, 384883, 769766, 1367563, 2735126, 3382919, 6765838, 64275461, 128550922]

約数ペア:

[(1, 128550922), (2, 64275461), (19, 6765838), (38, 3382919), (47, 2735126), (94, 1367563), (167, 769766), (334, 384883), (431, 298262), (862, 149131), (893, 143954), (1786, 71977), (3173, 40514), (6346, 20257), (7849, 16378), (8189, 15698)]