201421718

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1436

約数の個数: 32

約数和(自身を含む): 326937600

約数和(自身を除く): 125515882

約数列:

[1, 2, 23, 43, 46, 79, 86, 158, 989, 1289, 1817, 1978, 2578, 3397, 3634, 6794, 29647, 55427, 59294, 78131, 101831, 110854, 156262, 203662, 1274821, 2342113, 2549642, 4378733, 4684226, 8757466, 100710859, 201421718]

約数ペア:

[(1, 201421718), (2, 100710859), (23, 8757466), (43, 4684226), (46, 4378733), (79, 2549642), (86, 2342113), (158, 1274821), (989, 203662), (1289, 156262), (1817, 110854), (1978, 101831), (2578, 78131), (3397, 59294), (3634, 55427), (6794, 29647)]