28192572

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 75479040

約数和(自身を除く): 47286468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 79, 92, 138, 158, 207, 237, 276, 316, 414, 431, 474, 711, 828, 862, 948, 1293, 1422, 1724, 1817, 2586, 2844, 3634, 3879, 5172, 5451, 7268, 7758, 9913, 10902, 15516, 16353, 19826, 21804, 29739, 32706, 34049, 39652, 59478, 65412, 68098, 89217, 102147, 118956, 136196, 178434, 204294, 306441, 356868, 408588, 612882, 783127, 1225764, 1566254, 2349381, 3132508, 4698762, 7048143, 9397524, 14096286, 28192572]

約数ペア:

[(1, 28192572), (2, 14096286), (3, 9397524), (4, 7048143), (6, 4698762), (9, 3132508), (12, 2349381), (18, 1566254), (23, 1225764), (36, 783127), (46, 612882), (69, 408588), (79, 356868), (92, 306441), (138, 204294), (158, 178434), (207, 136196), (237, 118956), (276, 102147), (316, 89217), (414, 68098), (431, 65412), (474, 59478), (711, 39652), (828, 34049), (862, 32706), (948, 29739), (1293, 21804), (1422, 19826), (1724, 16353), (1817, 15516), (2586, 10902), (2844, 9913), (3634, 7758), (3879, 7268), (5172, 5451)]