3997928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 8255520

約数和(自身を除く): 4257592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 181, 251, 362, 502, 724, 1004, 1448, 1991, 2008, 2761, 3982, 5522, 7964, 11044, 15928, 22088, 45431, 90862, 181724, 363448, 499741, 999482, 1998964, 3997928]

約数ペア:

[(1, 3997928), (2, 1998964), (4, 999482), (8, 499741), (11, 363448), (22, 181724), (44, 90862), (88, 45431), (181, 22088), (251, 15928), (362, 11044), (502, 7964), (724, 5522), (1004, 3982), (1448, 2761), (1991, 2008)]