217872016

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{54251}}^1$

素因数の和:54510

約数の個数: 20

約数和(自身を含む): 423816624

約数和(自身を除く): 205944608

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 54251, 108502, 217004, 434008, 868016, 13617001, 27234002, 54468004, 108936008, 217872016]

約数ペア:

[(1, 217872016), (2, 108936008), (4, 54468004), (8, 27234002), (16, 13617001), (251, 868016), (502, 434008), (1004, 217004), (2008, 108502), (4016, 54251)]