28784178

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 65572416

約数和(自身を除く): 36788238

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 251, 277, 414, 502, 554, 753, 831, 1506, 1662, 2259, 2493, 4518, 4986, 5773, 6371, 11546, 12742, 17319, 19113, 34638, 38226, 51957, 57339, 69527, 103914, 114678, 139054, 208581, 417162, 625743, 1251486, 1599121, 3198242, 4797363, 9594726, 14392089, 28784178]

約数ペア:

[(1, 28784178), (2, 14392089), (3, 9594726), (6, 4797363), (9, 3198242), (18, 1599121), (23, 1251486), (46, 625743), (69, 417162), (138, 208581), (207, 139054), (251, 114678), (277, 103914), (414, 69527), (502, 57339), (554, 51957), (753, 38226), (831, 34638), (1506, 19113), (1662, 17319), (2259, 12742), (2493, 11546), (4518, 6371), (4986, 5773)]