28047272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^2\times {\mathrm{71}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 59058720

約数和(自身を除く): 31011448

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 71, 88, 134, 142, 268, 284, 536, 568, 737, 781, 1474, 1562, 2948, 3124, 4489, 4757, 5896, 6248, 8978, 9514, 17956, 19028, 35912, 38056, 49379, 52327, 98758, 104654, 197516, 209308, 318719, 395032, 418616, 637438, 1274876, 2549752, 3505909, 7011818, 14023636, 28047272]

約数ペア:

[(1, 28047272), (2, 14023636), (4, 7011818), (8, 3505909), (11, 2549752), (22, 1274876), (44, 637438), (67, 418616), (71, 395032), (88, 318719), (134, 209308), (142, 197516), (268, 104654), (284, 98758), (536, 52327), (568, 49379), (737, 38056), (781, 35912), (1474, 19028), (1562, 17956), (2948, 9514), (3124, 8978), (4489, 6248), (4757, 5896)]