1669538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:581

約数の個数: 16

約数和(自身を含む): 2720760

約数和(自身を除く): 1051222

約数列:

[1, 2, 13, 26, 157, 314, 409, 818, 2041, 4082, 5317, 10634, 64213, 128426, 834769, 1669538]

約数ペア:

[(1, 1669538), (2, 834769), (13, 128426), (26, 64213), (157, 10634), (314, 5317), (409, 4082), (818, 2041)]