74284990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18433}}^1$

素因数の和:18484

約数の個数: 32

約数和(自身を含む): 148651776

約数和(自身を除く): 74366786

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 18433, 36866, 92165, 184330, 239629, 479258, 571423, 1142846, 1198145, 2396290, 2857115, 5714230, 7428499, 14856998, 37142495, 74284990]

約数ペア:

[(1, 74284990), (2, 37142495), (5, 14856998), (10, 7428499), (13, 5714230), (26, 2857115), (31, 2396290), (62, 1198145), (65, 1142846), (130, 571423), (155, 479258), (310, 239629), (403, 184330), (806, 92165), (2015, 36866), (4030, 18433)]