28175518

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1451}}^1$

素因数の和:1552

約数の個数: 32

約数和(自身を含む): 51575040

約数和(自身を除く): 23399522

約数列:

[1, 2, 7, 14, 19, 38, 73, 133, 146, 266, 511, 1022, 1387, 1451, 2774, 2902, 9709, 10157, 19418, 20314, 27569, 55138, 105923, 192983, 211846, 385966, 741461, 1482922, 2012537, 4025074, 14087759, 28175518]

約数ペア:

[(1, 28175518), (2, 14087759), (7, 4025074), (14, 2012537), (19, 1482922), (38, 741461), (73, 385966), (133, 211846), (146, 192983), (266, 105923), (511, 55138), (1022, 27569), (1387, 20314), (1451, 19418), (2774, 10157), (2902, 9709)]