215942675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 300314112

約数和(自身を除く): 84371437

約数列:

[1, 5, 13, 25, 47, 65, 67, 211, 235, 325, 335, 611, 871, 1055, 1175, 1675, 2743, 3055, 3149, 4355, 5275, 9917, 13715, 14137, 15275, 15745, 21775, 40937, 49585, 68575, 70685, 78725, 128921, 183781, 204685, 247925, 353425, 644605, 664439, 918905, 1023425, 3223025, 3322195, 4594525, 8637707, 16610975, 43188535, 215942675]

約数ペア:

[(1, 215942675), (5, 43188535), (13, 16610975), (25, 8637707), (47, 4594525), (65, 3322195), (67, 3223025), (211, 1023425), (235, 918905), (325, 664439), (335, 644605), (611, 353425), (871, 247925), (1055, 204685), (1175, 183781), (1675, 128921), (2743, 78725), (3055, 70685), (3149, 68575), (4355, 49585), (5275, 40937), (9917, 21775), (13715, 15745), (14137, 15275)]