28749392

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1303}}^1$

素因数の和:1515

約数の個数: 40

約数和(自身を含む): 64031616

約数和(自身を除く): 35282224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 1303, 1379, 1576, 2606, 2758, 3152, 5212, 5516, 9121, 10424, 11032, 18242, 20848, 22064, 36484, 72968, 145936, 256691, 513382, 1026764, 1796837, 2053528, 3593674, 4107056, 7187348, 14374696, 28749392]

約数ペア:

[(1, 28749392), (2, 14374696), (4, 7187348), (7, 4107056), (8, 3593674), (14, 2053528), (16, 1796837), (28, 1026764), (56, 513382), (112, 256691), (197, 145936), (394, 72968), (788, 36484), (1303, 22064), (1379, 20848), (1576, 18242), (2606, 11032), (2758, 10424), (3152, 9121), (5212, 5516)]