64356248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{761}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 136199880

約数和(自身を除く): 71843632

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 761, 961, 1364, 1522, 1922, 2728, 3044, 3844, 6088, 7688, 8371, 10571, 16742, 21142, 23591, 33484, 42284, 47182, 66968, 84568, 94364, 188728, 259501, 519002, 731321, 1038004, 1462642, 2076008, 2925284, 5850568, 8044531, 16089062, 32178124, 64356248]

約数ペア:

[(1, 64356248), (2, 32178124), (4, 16089062), (8, 8044531), (11, 5850568), (22, 2925284), (31, 2076008), (44, 1462642), (62, 1038004), (88, 731321), (124, 519002), (248, 259501), (341, 188728), (682, 94364), (761, 84568), (961, 66968), (1364, 47182), (1522, 42284), (1922, 33484), (2728, 23591), (3044, 21142), (3844, 16742), (6088, 10571), (7688, 8371)]