40140218

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{1303}}^1$

素因数の和:1589

約数の個数: 16

約数和(自身を含む): 61371456

約数和(自身を除く): 21231238

約数列:

[1, 2, 73, 146, 211, 422, 1303, 2606, 15403, 30806, 95119, 190238, 274933, 549866, 20070109, 40140218]

約数ペア:

[(1, 40140218), (2, 20070109), (73, 549866), (146, 274933), (211, 190238), (422, 95119), (1303, 30806), (2606, 15403)]