211231768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{77431}}^1$

素因数の和:77479

約数の個数: 32

約数和(自身を含む): 446008320

約数和(自身を除く): 234776552

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 77431, 154862, 309724, 619448, 851741, 1703482, 2400361, 3406964, 4800722, 6813928, 9601444, 19202888, 26403971, 52807942, 105615884, 211231768]

約数ペア:

[(1, 211231768), (2, 105615884), (4, 52807942), (8, 26403971), (11, 19202888), (22, 9601444), (31, 6813928), (44, 4800722), (62, 3406964), (88, 2400361), (124, 1703482), (248, 851741), (341, 619448), (682, 309724), (1364, 154862), (2728, 77431)]