28264716

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^2\times {\mathrm{211}}^1$

素因数の和:343

約数の個数: 54

約数和(自身を含む): 72981636

約数和(自身を除く): 44716920

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 211, 244, 366, 422, 549, 633, 732, 844, 1098, 1266, 1899, 2196, 2532, 3721, 3798, 7442, 7596, 11163, 12871, 14884, 22326, 25742, 33489, 38613, 44652, 51484, 66978, 77226, 115839, 133956, 154452, 231678, 463356, 785131, 1570262, 2355393, 3140524, 4710786, 7066179, 9421572, 14132358, 28264716]

約数ペア:

[(1, 28264716), (2, 14132358), (3, 9421572), (4, 7066179), (6, 4710786), (9, 3140524), (12, 2355393), (18, 1570262), (36, 785131), (61, 463356), (122, 231678), (183, 154452), (211, 133956), (244, 115839), (366, 77226), (422, 66978), (549, 51484), (633, 44652), (732, 38613), (844, 33489), (1098, 25742), (1266, 22326), (1899, 14884), (2196, 12871), (2532, 11163), (3721, 7596), (3798, 7442)]