28638922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 47738880

約数和(自身を除く): 19099958

約数列:

[1, 2, 13, 26, 73, 79, 146, 158, 191, 382, 949, 1027, 1898, 2054, 2483, 4966, 5767, 11534, 13943, 15089, 27886, 30178, 74971, 149942, 181259, 196157, 362518, 392314, 1101497, 2202994, 14319461, 28638922]

約数ペア:

[(1, 28638922), (2, 14319461), (13, 2202994), (26, 1101497), (73, 392314), (79, 362518), (146, 196157), (158, 181259), (191, 149942), (382, 74971), (949, 30178), (1027, 27886), (1898, 15089), (2054, 13943), (2483, 11534), (4966, 5767)]