1998964

素因数分解:

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

素因数の和:447

約数の個数: 24

約数和(自身を含む): 3852576

約数和(自身を除く): 1853612

約数列:

[1, 2, 4, 11, 22, 44, 181, 251, 362, 502, 724, 1004, 1991, 2761, 3982, 5522, 7964, 11044, 45431, 90862, 181724, 499741, 999482, 1998964]

約数ペア:

[(1, 1998964), (2, 999482), (4, 499741), (11, 181724), (22, 90862), (44, 45431), (181, 11044), (251, 7964), (362, 5522), (502, 3982), (724, 2761), (1004, 1991)]