78813501

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 127303680

約数和(自身を除く): 48490179

約数列:

[1, 3, 13, 19, 31, 39, 47, 57, 73, 93, 141, 219, 247, 403, 589, 611, 741, 893, 949, 1209, 1387, 1457, 1767, 1833, 2263, 2679, 2847, 3431, 4161, 4371, 6789, 7657, 10293, 11609, 18031, 18941, 22971, 27683, 29419, 34827, 42997, 44603, 54093, 56823, 65189, 83049, 88257, 106361, 128991, 133809, 195567, 319083, 359879, 558961, 847457, 1079637, 1382693, 1676883, 2020859, 2542371, 4148079, 6062577, 26271167, 78813501]

約数ペア:

[(1, 78813501), (3, 26271167), (13, 6062577), (19, 4148079), (31, 2542371), (39, 2020859), (47, 1676883), (57, 1382693), (73, 1079637), (93, 847457), (141, 558961), (219, 359879), (247, 319083), (403, 195567), (589, 133809), (611, 128991), (741, 106361), (893, 88257), (949, 83049), (1209, 65189), (1387, 56823), (1457, 54093), (1767, 44603), (1833, 42997), (2263, 34827), (2679, 29419), (2847, 27683), (3431, 22971), (4161, 18941), (4371, 18031), (6789, 11609), (7657, 10293)]