28779556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 56676928

約数和(自身を除く): 27897372

約数列:

[1, 2, 4, 13, 26, 43, 52, 61, 86, 122, 172, 211, 244, 422, 559, 793, 844, 1118, 1586, 2236, 2623, 2743, 3172, 5246, 5486, 9073, 10492, 10972, 12871, 18146, 25742, 34099, 36292, 51484, 68198, 117949, 136396, 167323, 235898, 334646, 471796, 553453, 669292, 1106906, 2213812, 7194889, 14389778, 28779556]

約数ペア:

[(1, 28779556), (2, 14389778), (4, 7194889), (13, 2213812), (26, 1106906), (43, 669292), (52, 553453), (61, 471796), (86, 334646), (122, 235898), (172, 167323), (211, 136396), (244, 117949), (422, 68198), (559, 51484), (793, 36292), (844, 34099), (1118, 25742), (1586, 18146), (2236, 12871), (2623, 10972), (2743, 10492), (3172, 9073), (5246, 5486)]