31547516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7879}}^1$

素因数の和:7914

約数の個数: 48

約数和(自身を含む): 74135040

約数和(自身を除く): 42587524

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 7879, 15758, 31516, 55153, 86669, 102427, 110306, 173338, 204854, 220612, 346676, 409708, 606683, 716989, 1126697, 1213366, 1433978, 2253394, 2426732, 2867956, 4506788, 7886879, 15773758, 31547516]

約数ペア:

[(1, 31547516), (2, 15773758), (4, 7886879), (7, 4506788), (11, 2867956), (13, 2426732), (14, 2253394), (22, 1433978), (26, 1213366), (28, 1126697), (44, 716989), (52, 606683), (77, 409708), (91, 346676), (143, 220612), (154, 204854), (182, 173338), (286, 110306), (308, 102427), (364, 86669), (572, 55153), (1001, 31516), (2002, 15758), (4004, 7879)]