28247492

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1093}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 61754112

約数和(自身を除く): 33506620

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 923, 994, 1093, 1846, 1988, 2186, 3692, 4372, 6461, 7651, 12922, 14209, 15302, 25844, 28418, 30604, 56836, 77603, 99463, 155206, 198926, 310412, 397852, 543221, 1008839, 1086442, 2017678, 2172884, 4035356, 7061873, 14123746, 28247492]

約数ペア:

[(1, 28247492), (2, 14123746), (4, 7061873), (7, 4035356), (13, 2172884), (14, 2017678), (26, 1086442), (28, 1008839), (52, 543221), (71, 397852), (91, 310412), (142, 198926), (182, 155206), (284, 99463), (364, 77603), (497, 56836), (923, 30604), (994, 28418), (1093, 25844), (1846, 15302), (1988, 14209), (2186, 12922), (3692, 7651), (4372, 6461)]