1277771986

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{21611}}^1$

素因数の和:21714

約数の個数: 32

約数和(自身を含む): 2128695552

約数和(自身を除く): 850923566

約数列:

[1, 2, 17, 34, 37, 47, 74, 94, 629, 799, 1258, 1598, 1739, 3478, 21611, 29563, 43222, 59126, 367387, 734774, 799607, 1015717, 1599214, 2031434, 13593319, 17267189, 27186638, 34534378, 37581529, 75163058, 638885993, 1277771986]

約数ペア:

[(1, 1277771986), (2, 638885993), (17, 75163058), (34, 37581529), (37, 34534378), (47, 27186638), (74, 17267189), (94, 13593319), (629, 2031434), (799, 1599214), (1258, 1015717), (1598, 799607), (1739, 734774), (3478, 367387), (21611, 59126), (29563, 43222)]