123380868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{823}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 320746944

約数和(自身を除く): 197366076

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 823, 961, 1209, 1612, 1646, 1922, 2418, 2469, 2883, 3292, 3844, 4836, 4938, 5766, 9876, 10699, 11532, 12493, 21398, 24986, 25513, 32097, 37479, 42796, 49972, 51026, 64194, 74958, 76539, 102052, 128388, 149916, 153078, 306156, 331669, 663338, 790903, 995007, 1326676, 1581806, 1990014, 2372709, 3163612, 3980028, 4745418, 9490836, 10281739, 20563478, 30845217, 41126956, 61690434, 123380868]

約数ペア:

[(1, 123380868), (2, 61690434), (3, 41126956), (4, 30845217), (6, 20563478), (12, 10281739), (13, 9490836), (26, 4745418), (31, 3980028), (39, 3163612), (52, 2372709), (62, 1990014), (78, 1581806), (93, 1326676), (124, 995007), (156, 790903), (186, 663338), (372, 331669), (403, 306156), (806, 153078), (823, 149916), (961, 128388), (1209, 102052), (1612, 76539), (1646, 74958), (1922, 64194), (2418, 51026), (2469, 49972), (2883, 42796), (3292, 37479), (3844, 32097), (4836, 25513), (4938, 24986), (5766, 21398), (9876, 12493), (10699, 11532)]