1285428082

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1\times {\mathrm{20921}}^1$

素因数の和:21945

約数の個数: 16

約数和(自身を含む): 1992443904

約数和(自身を除く): 707015822

約数列:

[1, 2, 31, 62, 991, 1982, 20921, 30721, 41842, 61442, 648551, 1297102, 20732711, 41465422, 642714041, 1285428082]

約数ペア:

[(1, 1285428082), (2, 642714041), (31, 41465422), (62, 20732711), (991, 1297102), (1982, 648551), (20921, 61442), (30721, 41842)]