31211748

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^2\times {\mathrm{233}}^1$

素因数の和:365

約数の個数: 54

約数和(自身を含む): 80555202

約数和(自身を除く): 49343454

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 233, 244, 366, 466, 549, 699, 732, 932, 1098, 1398, 2097, 2196, 2796, 3721, 4194, 7442, 8388, 11163, 14213, 14884, 22326, 28426, 33489, 42639, 44652, 56852, 66978, 85278, 127917, 133956, 170556, 255834, 511668, 866993, 1733986, 2600979, 3467972, 5201958, 7802937, 10403916, 15605874, 31211748]

約数ペア:

[(1, 31211748), (2, 15605874), (3, 10403916), (4, 7802937), (6, 5201958), (9, 3467972), (12, 2600979), (18, 1733986), (36, 866993), (61, 511668), (122, 255834), (183, 170556), (233, 133956), (244, 127917), (366, 85278), (466, 66978), (549, 56852), (699, 44652), (732, 42639), (932, 33489), (1098, 28426), (1398, 22326), (2097, 14884), (2196, 14213), (2796, 11163), (3721, 8388), (4194, 7442)]