28057638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^2$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 65712384

約数和(自身を除く): 37654746

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 97, 142, 194, 213, 291, 426, 497, 582, 679, 994, 1358, 1491, 2037, 2982, 4074, 6887, 9409, 13774, 18818, 20661, 28227, 41322, 48209, 56454, 65863, 96418, 131726, 144627, 197589, 289254, 395178, 668039, 1336078, 2004117, 4008234, 4676273, 9352546, 14028819, 28057638]

約数ペア:

[(1, 28057638), (2, 14028819), (3, 9352546), (6, 4676273), (7, 4008234), (14, 2004117), (21, 1336078), (42, 668039), (71, 395178), (97, 289254), (142, 197589), (194, 144627), (213, 131726), (291, 96418), (426, 65863), (497, 56454), (582, 48209), (679, 41322), (994, 28227), (1358, 20661), (1491, 18818), (2037, 13774), (2982, 9409), (4074, 6887)]