51252775

素因数分解:

$5^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 76384000

約数和(自身を除く): 25131225

約数列:

[1, 5, 7, 25, 35, 43, 49, 139, 175, 215, 245, 301, 343, 695, 973, 1075, 1225, 1505, 1715, 2107, 3475, 4865, 5977, 6811, 7525, 8575, 10535, 14749, 24325, 29885, 34055, 41839, 47677, 52675, 73745, 149425, 170275, 209195, 238385, 292873, 368725, 1045975, 1191925, 1464365, 2050111, 7321825, 10250555, 51252775]

約数ペア:

[(1, 51252775), (5, 10250555), (7, 7321825), (25, 2050111), (35, 1464365), (43, 1191925), (49, 1045975), (139, 368725), (175, 292873), (215, 238385), (245, 209195), (301, 170275), (343, 149425), (695, 73745), (973, 52675), (1075, 47677), (1225, 41839), (1505, 34055), (1715, 29885), (2107, 24325), (3475, 14749), (4865, 10535), (5977, 8575), (6811, 7525)]