1985353552

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{18679}}^1$

素因数の和:18780

約数の個数: 80

約数和(自身を含む): 4799415040

約数和(自身を除く): 2814061488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 73, 91, 104, 112, 146, 182, 208, 292, 364, 511, 584, 728, 949, 1022, 1168, 1456, 1898, 2044, 3796, 4088, 6643, 7592, 8176, 13286, 15184, 18679, 26572, 37358, 53144, 74716, 106288, 130753, 149432, 242827, 261506, 298864, 485654, 523012, 971308, 1046024, 1363567, 1699789, 1942616, 2092048, 2727134, 3399578, 3885232, 5454268, 6799156, 9544969, 10908536, 13598312, 17726371, 19089938, 21817072, 27196624, 35452742, 38179876, 70905484, 76359752, 124084597, 141810968, 152719504, 248169194, 283621936, 496338388, 992676776, 1985353552]

約数ペア:

[(1, 1985353552), (2, 992676776), (4, 496338388), (7, 283621936), (8, 248169194), (13, 152719504), (14, 141810968), (16, 124084597), (26, 76359752), (28, 70905484), (52, 38179876), (56, 35452742), (73, 27196624), (91, 21817072), (104, 19089938), (112, 17726371), (146, 13598312), (182, 10908536), (208, 9544969), (292, 6799156), (364, 5454268), (511, 3885232), (584, 3399578), (728, 2727134), (949, 2092048), (1022, 1942616), (1168, 1699789), (1456, 1363567), (1898, 1046024), (2044, 971308), (3796, 523012), (4088, 485654), (6643, 298864), (7592, 261506), (8176, 242827), (13286, 149432), (15184, 130753), (18679, 106288), (26572, 74716), (37358, 53144)]