77680988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1409}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 170553600

約数和(自身を除く): 92872612

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 179, 308, 358, 716, 1253, 1409, 1969, 2506, 2818, 3938, 5012, 5636, 7876, 9863, 13783, 15499, 19726, 27566, 30998, 39452, 55132, 61996, 108493, 216986, 252211, 433972, 504422, 1008844, 1765477, 2774321, 3530954, 5548642, 7061908, 11097284, 19420247, 38840494, 77680988]

約数ペア:

[(1, 77680988), (2, 38840494), (4, 19420247), (7, 11097284), (11, 7061908), (14, 5548642), (22, 3530954), (28, 2774321), (44, 1765477), (77, 1008844), (154, 504422), (179, 433972), (308, 252211), (358, 216986), (716, 108493), (1253, 61996), (1409, 55132), (1969, 39452), (2506, 30998), (2818, 27566), (3938, 19726), (5012, 15499), (5636, 13783), (7876, 9863)]