12591425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 20189184

約数和(自身を除く): 7597759

約数列:

[1, 5, 7, 11, 25, 31, 35, 55, 77, 155, 175, 211, 217, 275, 341, 385, 775, 1055, 1085, 1477, 1705, 1925, 2321, 2387, 5275, 5425, 6541, 7385, 8525, 11605, 11935, 16247, 32705, 36925, 45787, 58025, 59675, 71951, 81235, 163525, 228935, 359755, 406175, 503657, 1144675, 1798775, 2518285, 12591425]

約数ペア:

[(1, 12591425), (5, 2518285), (7, 1798775), (11, 1144675), (25, 503657), (31, 406175), (35, 359755), (55, 228935), (77, 163525), (155, 81235), (175, 71951), (211, 59675), (217, 58025), (275, 45787), (341, 36925), (385, 32705), (775, 16247), (1055, 11935), (1085, 11605), (1477, 8525), (1705, 7385), (1925, 6541), (2321, 5425), (2387, 5275)]